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Chapter 6

6-14

BiPAP Vision Service Manual © Respironics, Inc.

1062788

Troubleshooting

Table 6-4 describes

Vent Inop

error codes that apply to the MC, DC, and PC

boards.

Table 6-4: Troubleshooting

Vent Inop

Error Codes

Error code

Description

Corrective action

Vent Inop errors common to all subsystems:

Vent

Inop

with

Check

Vent

error

code 201

The ventilator continues operating when both a

Vent Inop

and a

Check Vent

(error code 201)

occur.

Perform service described in Section
6.7.

0

(MC, DC, PC)

Hardware error.

See error reported for a specific
subsystem.

601 (MC)

E01 (DC)

1601 (PC)

Microcontroller unit (MCU) detects spurious
interrupt.

Replace subsystem with lit error LED.

602 (MC)

E02 (DC)

1602 (PC)

MCU detects unassigned interrupt.

Replace subsystem with lit error LED.

603 (MC)

E03 (DC)

1603 (PC)

MCU detects bus interrupt.

Replace subsystem with lit error LED.

604 (MC)

E04 (DC)

1604 (PC)

MCU detects illegal instruction execution.

Replace subsystem with lit error LED.

605 (MC)

E05 (DC)

1605 (PC)

MCU detects breakpoint error.

Replace subsystem with lit error LED.

606 (MC)

E06 (DC)

1606 (PC)

MCU detects divide by zero error.

Replace subsystem with lit error LED.

607 (MC)

E07 (DC)

1607 (PC)

MCU detects municipalized interrupt.

Replace subsystem with lit error LED.

608 (MC)

E08 (DC)

1608 (PC)

MCU detects software interrupt execution.

Replace subsystem with lit error LED.

609 (MC)

E09 (DC)

1609 (PC)

MCU detects unused interrupt execution.

Replace subsystem with lit error LED.

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Summary of Contents for BiPAP Vision

Page 1: ...BiPAP Vision Ventilatory Support System S E R V I C E M A N U A L ...

Page 2: ...ranty does not cover damage caused by accident misuse abuse alteration and other defects not related to materials or workmanship Respironics disclaims all liability for economic loss loss of profits overhead or consequential damages which may be claimed to arise from any sale or use of this product Some states do not allow the exclusion or limitation of incidental or consequential damages so the a...

Page 3: ... 2 1 Power Circuitry 3 10 3 2 2 Error LED 3 10 3 2 3 Real Time Clock Circuit 3 10 3 2 4 Watchdog and Power On Reset Circuit 3 11 3 2 5 Error Line Control Circuit ELC 3 11 3 2 6 Microcontroller Interface 3 11 3 3 PC Board 3 12 3 3 1 Microcontroller Interface 3 13 3 3 2 Blower Motor Drive 3 13 3 3 3 PRV and ILFR Drives 3 13 3 3 4 Pressure Sensors 3 13 3 3 5 Error Line Control ELC Circuit 3 13 3 3 6 ...

Page 4: ...g Keypad Matrix 3 16 3 4 17 Rotary Encoder Control 3 16 3 4 18 Audible Alarm Activation 3 16 3 4 19 Audible Alarm Current Check 3 17 3 4 20 Safe State Power On 3 17 3 4 21 Watchdog and Low Voltage Reset 3 17 3 5 Airflow Module AFM 3 18 3 5 1 Flow Body 3 19 3 5 2 Analog Reference 3 19 3 5 3 Flow Indication 3 19 3 5 4 Pressure Indication 3 19 3 5 5 Temperature Measurement 3 19 3 5 6 Calibration 3 19...

Page 5: ...aning Replacing the Nylon Mesh Inlet Filter 5 5 5 4 Oxygen Regulator Filter and Bowl 5 6 5 5 Fuses 5 8 5 5 1 Voltage Selection 5 9 5 6 Top Enclosure 5 11 5 7 Front Panel Enclosure 5 12 5 8 Display Control DC Board 5 14 5 9 Rotary Encoder 5 15 5 10 Touch Pad 5 16 5 11 LCD Assembly 5 18 5 12 Blower 5 20 5 13 Oxygen Module OM Assembly 5 21 5 14 Air Flow Module AFM Oxygen Baffle 5 23 5 15 Pressure Rel...

Page 6: ...oting Common Problems 6 2 6 2 Alarm Indicators 6 4 6 2 1 Check Vent and Vent Inop Indicators 6 4 6 2 2 Patient Alarm Indicators 6 5 6 2 3 Alarm Silence and Alarm Reset 6 5 6 2 4 Flow Limit Control FLC State 6 6 6 3 Alarm Troubleshooting 6 8 6 4 Troubleshooting Check Vent Error Codes 6 11 6 5 Troubleshooting Vent Inop Error Codes 6 13 6 6 Interpreting Error Codes 6 26 6 7 Vent Inop Check Vent Error...

Page 7: ...Indicator and LCD Controls Test 7 24 7 7 3 Pressure Accuracy Test 7 24 7 7 4 Flow Accuracy Test 7 25 7 7 5 Dynamic Pressure Regulation Test 7 26 7 7 6 S T Mode Performance Test 7 27 7 7 7 Options and Controls 7 27 7 7 8 Alarms Test 7 28 7 7 9 Oxygen Module OM Test 7 29 7 7 10 PAV T Mode Test if installed 7 31 7 7 11 Earth Resistance and Leakage Current Test 7 31 7 7 12 Nurse Call Remote Alarm Test...

Page 8: ...t Part Photos A 8 B Specifications B 1 8 5 Environmental B 1 8 6 Physical B 1 8 7 Electrical B 1 8 8 Pressure B 2 8 9 Control Accuracy B 3 8 10 Display Accuracy B 3 8 11 Trigger Sensitivity B 3 8 12 Oxygen Module Inlet B 3 8 13 Internal Batteries B 4 8 14 Settings B 5 8 15 Display Data B 6 C Schematics C 1 ...

Page 9: ...fugal blower to generate airflow and internal oxygen module allowing single or combined gas therapy The system operates in these modes continuous positive airway pressure CPAP mode spontaneous timed pressure support S T mode proportional assist ventilation timed PAV T mode international models only Integrated safety and self diagnostic features check all system functions at start up and during ope...

Page 10: ... tools Flat blade screwdrivers small long shaft and medium Phillips screwdriver medium Nut drivers 1 4 in 5 16 in 11 32 in and 7 16 in 1 4 in wrench Needle nose pliers medium Local supplier Antistatic workstation including grounded mat and wrist strap Local supplier Electrical safety analyzer Earth resistance Range 0 to 19 99 ohms Resolution 0 01 ohms Accuracy 5 1 digit Leakage current Range 0 to ...

Page 11: ... full scale Certifier FA Plus with high flow module and oxygen sensor kit P N 1040311 Certifier FA Plus with high and low flow modules and oxygen sensor kit P N 1040312 Any commercially available oxygen analyzer that meets these specifications Oxygen tank medical grade oxygen and regulator Local supplier Mechanical test lung Lung capacity of at least 1 2 L Ingmar Medical QuickLung test lung Michig...

Page 12: ...t Other miscellaneous lengths as required Local supplier Loctite 222 liquid threadlock Local supplier Tubing smooth inner lumen 6 ft length 18 in length Other miscellaneous lengths as required P N 301016 P N 100060 Service flow valve Respironics P N 1037985 NOTE This item can be used instead of the clamping type variable flow resistor P N 1002160 Isopropyl alcohol Local supplier Cleaner such as Fa...

Page 13: ...ronics is committed to customer satisfaction Contact Respironics with questions or for technical support U S and Canada Phone 1 800 345 6443 Fax 1 800 866 0245 International Phone 1 724 387 4000 Fax 1 724 387 5012 E Mail service respironics com For Customer Service and Product Support contact Online http www respironics com ...

Page 14: ...Chapter 1 1 6 BiPAP Vision Service Manual Respironics Inc 1062788 Introduction and Intended Use This page is intentionally blank ...

Page 15: ...he patient circuit Use oximetry to monitor the use of oxygen with the BiPAP Vision If the Vent Inop wrench icon lights see Chapter 6 of this manual for troubleshooting information Never attach oxygen tubing or any positive pressure source to the pressure port on the front panel of the BiPAP Vision Do not attempt to use the RS 232 connector on the back panel of the device to obtain repair informati...

Page 16: ...for guidelines on applications and operation and for a complete list of operational warnings cautions and notes This device contains a rechargeable nickel cadmium NiCAD battery which is used by the alarms in the event of a power failure A non rechargeable lithium ion Li ion battery on the MC board powers the real time clock RTC circuit when the device is off Batteries must be replaced by an author...

Page 17: ...ositions and blower speed The unique design and operation of the device makes it suitable for mask applications Designed with the BiPAP Auto Trak Sensitivity feature that automatically adjusts to changing circuit conditions the device can ensure optimum patient ventilator synchronicity despite changes in breathing patterns and circuit leaks Refer to the BiPAP Vision Clinical Manual A liquid crysta...

Page 18: ... the bulk supply DC voltage to the BiPAP Vision subsystems Main control MC board Performs all control data acquisition and calculations required for user selected parameters The MC board also performs the start up test and reports all errors Abbreviated as MCS board when referring specifically to older boards in non upgraded units built s n 105999 and below Pressure control PC board Controls the b...

Page 19: ... Figure 3 1 shows the BiPAP Vision block diagram Figure 3 1 BiPAP Vision Block Diagram Applies to units with s n 106000 and above Oxygen baffle installed in newer s n 106000 and above and upgraded units Filter enclosure Blower muffler Blower ILFR valve PRV valve O2 baffle AFM flow body ...

Page 20: ...Chapter 3 3 4 BiPAP Vision Service Manual Respironics Inc 1062788 Theory of Operation This page is intentionally blank ...

Page 21: ...n Pneumatic Block Diagram Proportional Oxygen Valve Ambient Air 50 100 PSI Oxygen Inlet Oxygen Regulator Oxygen Flow Sensor Oxygen Pressure Air Oxygen Module To PC Board J6 To PC Board J7 To PC Board J8 Air Flow Sensor Oxygen Baffle Air inlet Filter Out to Patient To PC Board J4 To PC Board MT3 ILFR PRV Thermistor Blower Muffler Blower To PC Board J5 Exhaust Muffler ...

Page 22: ...Chapter 3 3 6 BiPAP Vision Service Manual Respironics Inc 1062788 Theory of Operation This page is intentionally blank ...

Page 23: ...put Range The BiPAP Vision can operate with an input of 100 120 230 or 240 VAC 10 depending on the model 3 1 2 DC Supply The output DC supply is fused at 30 amps A and delivers between 20 6 VDC and 35 VDC with a maximum ripple of 1 Vpp peak to peak voltage to the MC PC and DC boards PSS operating circuitry Bulksupply J2 to MC DS PC AC input J1 On off switch J7 AC power indicator J5 Circulation fan...

Page 24: ...t if the DC supply voltage drops to 19 38 VDC or lower nominal an AC fail condition is triggered Line loss detect the AC voltage output from the transformer supply winding is monitored for a loss of cycle condition Both legs of the winding are input to the monitoring circuitry Whenever AC is lost the AC fail signal is activated 3 1 5 Outputs The PSS module also includes the following Front panel A...

Page 25: ...re 3 4 MC Board Block Diagram NOTE The main control board is generally abbreviated as the MC board When referring specifically to older boards in non upgraded units built s n 105999 and below it is called the main control subsystem MCS board Microprocessor Power fail Watchdog power on reset Error line control Real time clock Nurse call remote alarm Read only memory Random access memory Intermodule...

Page 26: ...urs day date month and year information Backup battery a 3 V lithium battery supplies operating voltage to the real time clock during the power down state A diode prevents the 5 V source from charging the battery and a resistor protects the circuit from inadvertent high discharge or charge current Another diode at the 5 V source blocks battery voltage from other MC circuitry Static RAM supplies po...

Page 27: ...ards are connected Removing either board or a microcontroller error signal cause an ELC fault condition ELC 2 includes pulse generators and pulse detectors on the PC and DC boards and an ELC fault condition occurs if a minimum number of missing pulses occur The 2 38 V reference monitor includes a window comparator that monitors the reference signal and alerts the microcontroller if the signal is o...

Page 28: ... PC Board Block Diagram NOTE The pressure control board is generally abbreviated as the PC board When referring specifically to older boards in non upgraded units built s n 105999 and below it is called the pressure airway subsystem PAS board Microprocessor Applies to units built s n 106000 and above Applies to units built s n 105999 and below J11 DC PWR feed Chip select PC sensors MT1 MT2 MT3 DC ...

Page 29: ...meters from the MC board The microprocessor then adjusts analog DAC voltages to control the PRV and ILFR valves as required to meet the target values 3 3 4 Pressure Sensors The PC board has two dual pressure sensors MT1 and MT2 and a single pressure sensor MT3 The pressure sensors measure patient pressure unit outlet pressure and barometric pressure These sensors are subject to calibration with th...

Page 30: ...information The DC board also controls the user interface that allows the user to Modify the operating mode parameter set points alarm limits and graphic scales Reset or silence the audible alarm Freeze or unfreeze graphics Figure 3 6 DC Board Block Diagram NOTE The display control board is generally abbreviated as the DC board When referring specifically to older boards in non upgraded units buil...

Page 31: ...escent tube 3 4 5 Reference Voltage Checks This circuit compares reference voltages to determine if they are at the appropriate level 3 4 6 Power Failure Alarm Battery Enable This control detects a power failure from the DC bulk supply 3 4 7 Alarm Battery Voltage Cutout Check The battery voltage cutout check monitors the battery voltage level and cuts it out if it drops to a level of approximately...

Page 32: ...J6 of the MC board which processes the information then sends it to the RS 232 connector on the back of the unit 3 4 14 EEPROM A serial EEPROM stores the set points for the backlighting and contrast and for the appropriate diagnostic data 3 4 15 LCD Controller The LCD controller interfaces with the display 3 4 16 Debouncing Keypad Matrix The matrix keys are debounced and the microprocessor scans t...

Page 33: ...e the backlight is off the display is off and the ICB is terminated When the MC board determines that no Vent Inop error exists it allows the device to resume operation under normal operating conditions 3 4 21 Watchdog and Low Voltage Reset The watchdog function must be periodically reset by the microprocessor if a time out period has been exceeded This function resets the processor if the softwar...

Page 34: ...re and temperature To provide accurate indications the AFM must be calibrated Calibration data is stored in nonvolatile memory that is part of the AFM The flow pressure and temperature indications are for the ventilator gas stream flowing through a flow body attached to the AFM circuit board Figure 3 7 AFM Block Diagram Flow body Flow sensor Pressure sensor EEPROM Power supply J1 to PC board Air f...

Page 35: ... MT2 a precision compensated pressure sensor indicates unit outlet pressure The sensor signal is followed by a low pass filter and a differential amplifier and then sent to the PC board for conversion 3 5 5 Temperature Measurement The temperature sensor in the flow body measures gas temperature This measurement allows correction for air density and detecting undesirable temperature rises in the pa...

Page 36: ...vides an analog signal to the PC board to indicate oxygen flow Oxygen flow is the flow of oxygen through a flow body on the OM board To provide accurate indications the OM must be calibrated Calibration data is stored in nonvolatile memory that is part of the OM Figure 3 8 OM Block Diagram J1 to PC board To AFM input Oxygen inlet Flow body Manifold regulator Valve control EEPROM Power supply Flow ...

Page 37: ... 40 cmH2O Pressure support IPAP EPAP During the inspiratory phase the device responds as necessary to satisfy the patient s flow requirements while maintaining the preset IPAP level Patient demand determines inspiratory time and tidal volume The delivered tidal volume depends on the difference between IPAP and EPAP levels patient effort and the combined resistance and compliance of the circuit and...

Page 38: ... 6 seconds Figure 3 9 Timed Breath Example 3 7 3 Proportional Assist Ventilation Timed Mode PAV T PAV T incorporates some features of S T mode and is a software enhancement only The appropriate BiPAP Vision Clinical Manual describes PAV T in detail Pressure cmH2O Time sec 20 10 0 12 6 18 24 1 1 2 1 Time interval exceeds Rate setting approx 6 sec Time sec 1500 1000 0 12 6 18 24 Volume mL 500 1 1 2 ...

Page 39: ...o isolated and used to switch a relay to provide open or closed contacts to the remote station circuit The arrangement of the two jumpers JP1 and JP2 on the MC board determine the output configuration that is used by a common connector on the rear panel of the ventilator Use the nurse call adapter P N 1014280 and nurse call cable P N 1003742 to connect the ventilator to a normally open or normally...

Page 40: ...rm port must be connected to nurse call systems that meet relevant local safety standards The nurse call port must be connected to a low voltage circuit 42 4 Vpeak AC or 50 VDC Leakage currents from the low voltage circuit must not cause the device leakage current to exceed acceptable levels The rated output current of the low voltage circuit must not exceed 1 A JP1 JP2 ...

Page 41: ...ntilator Clean exterior surfaces section 4 1 Power cord Inspect and replace if damage or wear is visible Air inlet filter element Replace section 4 2 Nylon mesh inlet filter Clean replace section 4 3 Oxygen regulator filter Replace section 4 4 Fuses Replace section 4 5 Internal alarm battery Recharge section 4 6 Annually Audible alarm Activate Test Alarms Chapter 7 to verify audible and visual fun...

Page 42: ...the cover from closing properly Remove the old air inlet filter element from the filter housing and discard With the air filter element removed inspect the filter housing nylon mesh filter for lint dust or damage Use a vacuum not a compressed air source to remove lint or dust Install a new air inlet filter element white side facing out into the filter housing then reinstall the air inlet filter co...

Page 43: ...nylon mesh filter for lint dust or damage Use a vacuum not a compressed air source to remove lint or dust If cleaning the filter use a solution of mild soap and water to clean then rinse thoroughly Ensure that the filter is completely dry before reinstalling If replacing the filter remove the paper backing from the new nylon mesh inlet filter Align the new clean filter with its filter enclosure th...

Page 44: ...e and as required during operation Replace the oxygen regulator filter Figure 4 3 Figure 4 4 as required See Chapter 5 for component removal installation instructions If needed clean the regulator bowl with mild soap and water then rinse and dry completely Figure 4 3 Removing the Oxygen Regulator Bowl and Filter OM s n 299999 and below Oxygen module s n here Oxygen module regulator bowl P N 582154...

Page 45: ...nics Inc 4 5 Figure 4 4 Removing the Oxygen Regulator Filter and Bowl OM s n 300000 and above Oxygen module regulator filter P N 1007547 Oxygen module s n visible on regulator manifold with cover removed Oxygen module regulator bowl P N 1007546 Oxygen inlet spring P N 1030632 ...

Page 46: ...40 VAC NOTE The original 3 5 A fuse 100 120 VAC is now obsolete and has been replaced with 4 0 A fuse P N 104196 starting with units built s n 126396 and above Because the circulation fan muffler is labeled with the fuse rating a replacement circulation fan muffler P N 1041193 is labeled with the 4 0 A rating When replacing the 100 120 V 4 0 A fuse and or the circulation fan muffler verify that th...

Page 47: ...Chapter 4 Periodic Maintenance 1062788 BiPAP Vision Service Manual Respironics Inc 4 7 Figure 4 6 Replacing the Fuses Power entry module Fuse drawer note arrow Fuse ...

Page 48: ...e 205 NOTE Charge the internal alarm battery before use if it has been stored for over 3 months If the battery voltage is too low to support the alarm indicators the Check Vent visual Eye icon and audible alarm indicators activate Low battery voltage may shorten the time that an audible alarm can operate 4 6 1 Low Internal Alarm Battery Error Code Low battery voltage generates error code 205 Follo...

Page 49: ...full fast charge cycle Follow these steps to perform a fast charge 1 Remove the ventilator from patient use 2 Connect to AC power and power up self diagnostics begin 3 During the fast charge the ventilator can remain in the Exhalation Port Language screen the initial startup screen or can be placed in Standby mode 4 If the fast charge is successful the battery is fully recharged after 6 hours Norm...

Page 50: ...tery to a voltage to a level that does not activate a low voltage alarm After 2 hours the ventilator can be operated and continues to trickle charge the battery during operation 1 Press Monitoring to begin operation 2 Wait 2 minutes to determine if the Check Vent alarm activates and an error code 205 is displayed in the Error Message screen If not then the unit is ready for use ...

Page 51: ...______________________ Tested by ________________________________ Date _______________ Maintenance activity Frequency Date BiPAP Vision ventilator clean exterior As required Power cord inspect for damage Inlet filter replace Nylon mesh air inlet filter clean re place Oxygen regulator filter replace Audible alarms activate Test Alarms to verify Annually Blower perform blower valve calibra tion BiPA...

Page 52: ...Chapter 4 4 12 BiPAP Vision Service Manual Respironics Inc 1062788 Periodic Maintenance This page is intentionally blank ...

Page 53: ...how to remove and replace components of the BiPAP Vision ventilator WARNING Electrical shock hazard Disconnect the electrical supply before attempting any repairs CAUTION Electronic components used in this device are subject to damage from static electricity Perform all repairs in an antistatic ESD protected environment ...

Page 54: ...r Filter enclosure assembly Filter enclosure Air inlet filter Inlet filter cover Fan muffler Finger guard Blower muffler Blower assembly Main power switch AC inlet Fan Oxygen mixing baffle Bottom enclosure MC board PC board PRV ILFR PSS Power line filter To pressure outlet Air flow module AFM Oxygen module OM Bumper feet Audible alarm Front panel enclosure PRV exhaust muffler ILFR Inline flow rest...

Page 55: ...2788 BiPAP Vision Service Manual Respironics Inc 5 3 Figure 5 2 BiPAP Vision Front Panel Assembly Exploded View Front panel enclosure Rotary encoder Rotary encoder knob Touch pad Liquid crystal display LCD Mounting plate Display control DC board ...

Page 56: ...ng properly 3 Remove the air inlet filter element from the housing and discard 4 With the air filter element removed inspect the filter housing nylon mesh filter for lint dust or damage Use a vacuum not a compressed air source to remove lint or dust See section 5 3 for instructions on cleaning or replacing the nylon mesh filter 5 Install a new air inlet filter element white side facing out into th...

Page 57: ...d or replaced depending on its condition Use only Respironics approved filters 6 If cleaning the filter use a solution of mild soap and water to clean then rinse thoroughly Ensure that the filter is completely dry before reinstalling If replacing the filter remove the paper backing from the new nylon mesh inlet filter Align the new clean filter with its filter enclosure then press the edges firmly...

Page 58: ...ll outlet 2 Remove the oxygen hose from the oxygen module OM inlet on the back of the device if attached 3 Rotate the plastic body of the regulator bowl counterclockwise to remove it Figure 5 5 Removing the Oxygen Regulator Bowl and Filter OM s n 299999 and below 4 Rotate the oxygen regulator filter counterclockwise to remove it 5 Install a new oxygen regulator filter then rotate clockwise to tigh...

Page 59: ...ompletely 7 Reinstall the regulator bowl then rotate clockwise to tighten 8 Reconnect the oxygen hose to the OM inlet Figure 5 6 Removing the Oxygen Regulator Filter and Bowl OM s n 300000 and above Oxygen module regulator filter P N 1007547 Oxygen module s n visible on regulator manifold with cover removed Oxygen module regulator bowl P N 1007546 Oxygen inlet spring P N 1030632 ...

Page 60: ... off and disconnect the power cord from the back of the device and the wall outlet 2 Gently pry open the top of the fuse holder door The door hinges downward Figure 5 7 Opening the Fuse Door Ventilator s n 100500 and above Use P N 1000749 100 and 120 VAC Use P N 1000750 230 and 240 VAC Ventilator s n 100499 and below Use P N 582100 115 VAC Use P N 1000750 220 and 240 VAC Gently pry fuse door here ...

Page 61: ...the front of the drawers pointing to the right 6 Shut the fuse holder door and snap into place 7 Reinstall the power cord 5 5 1 Voltage Selection The voltage selection is originally set at the factory Follow these steps to select ventilator voltage Figure 5 9 1 Turn the ventilator off and disconnect the power cord from the back of the device and the wall outlet 2 Gently pry open the top of the fus...

Page 62: ...nual Respironics Inc 1062788 Component Removal Installation 3 Remove the drum from the power entry module and reinsert so that the selected voltage is visible Figure 5 9 Selecting the Voltage Insert drum so that selected voltage is visible ...

Page 63: ... panel 1 Turn the ventilator off and disconnect the power cord from the back of the device 2 Remove the 2 screws that attach the top enclosure to the bottom enclosure 3 Slide the enclosure straight back then lift slightly to clear oxygen module screws 4 Pull the enclosure back to disengage the latch that attaches the top enclosure to the bottom enclosure then lift the top enclosure away from the d...

Page 64: ...h side that attach the front panel enclosure to the bottom enclosure Figure 5 11 Removing the Front Panel Enclosure 3 Disconnect the braided tube from the patient outlet port 4 Tilt the front panel enclosure back and remove these cables Power harness DC J13 Power supply harness Mains ON LED cable Error LED cable DC J5 Intermodule communications bus ICB cable ribbon cable Alarm cable DC J12 CAUTION...

Page 65: ... the front panel slightly to remove it from the tabs on the bottom enclosure 7 Set the front panel enclosure face down and remove the screw that attaches the ground wire and shielding foil to the DC board Error LED cable DC J5 Mains ON LED cable Display control DC board Power harness DC J13 Front panel ICB cable large ribbon cable Alarm cable DC J12 Patient outlet port Ground wire 6 32 x 3 8 screw...

Page 66: ...C J2 Touch pad ribbon cable DC J6 Rotary encoder cable DC J10 3 Remove the remaining 4 screws that attach the DC board to the mounting plate ground wire removed when removing front enclosure 4 On the side of the DC board facing the mounting plate remove the LCD cable from DC J9 Figure 5 13 Removing the DC Board 6 32 x 3 8 screw x4 6 lbf in DC board LCD ribbon cable DC J9 mounting plate side Touch ...

Page 67: ...5 When reinstalling the rotary encoder install the shaft through the inside of the front panel enclosure align the flat sides of the shaft with the cutout Ensure that the rotary encoder cable faces the top of the enclosure then fold the cable downward as shown Figure 5 14 Replacing the Rotary Encoder 6 From the front of the enclosure install the washer and nut onto the shaft and tighten the nut 7 ...

Page 68: ...e touch pad 5 Place the front panel face up and use isopropyl alcohol to clean any remaining glue from the front panel enclosure surface 6 Remove the paper backing from the new touch pad and remove the protective film on the inside LCD side of the touch pad lens 7 Insert the ribbon cables and ground shields through the appropriate slots in the front panel enclosure ensuring that no cables or wires...

Page 69: ...re 5 15 Feeding Touch Pad Cables Through the Front Panel 9 Replace the mounting plate to the front panel enclosure ensuring that all cables are properly routed and reinstall the 6 mounting screws 10 Reinstall the rotary encoder knob to its shaft 11 Insert the touch pad ribbon cable completely into DC J6 ...

Page 70: ... the DC board Backlight inverter cable DC J2 Touch pad ribbon cable DC J6 LCD ribbon cable DC J9 Rotary encoder cable DC J10 3 Remove the 6 screws that hold the mounting plate to the front panel enclosure Figure 5 16 Removing the Mounting Plate 4 Tilt the mounting plate back and remove the four screws that attach the LCD to the mounting plate Touch pad ribbon cable DC J6 6 32 x 3 8 screw x6 6 lbf ...

Page 71: ...th and isopropyl alcohol NOTE When reinstalling the LCD feed the cables through their cutouts in the mounting plate When reinstalling the front panel enclosure take care not to pinch the LCD wires Figure 5 17 Removing the LCD Assembly Mounting plate 4 40 x 3 8 screw x4 6 lbf in LCD assembly Cable feeds through cutout in mounting plate ...

Page 72: ... air inlet hose take care not to push the hose in too far Use the groove on the hose connector as a reference to ensure correct alignment 3 Pull up on the muffler to remove it from the blower Figure 5 18 Removing the Muffler and Blower 4 Remove the three nuts that attach the blower assembly to the standoffs 5 Disconnect the blower motor cable from the PC board PC J5 6 Lift the blower up and then p...

Page 73: ...se to install 1 Remove the front panel enclosure section 5 7 2 Remove the 2 screws that attach the oxygen cover then pull the cover away from the back panel Figure 5 19 Removing the Oxygen Cover 3 Remove the ribbon cable from the OM flow sensor ribbon cable connects to PC J6 4 Pull the hose from the flow sensor outlet 6 32 x 3 8 screw x2 10 lbf in Oxygen cover Oxygen inlet Oxygen regulator filter ...

Page 74: ...Bottom Enclosure 6 From the back panel loosen but do not remove the two upper screws on the oxygen manifold Remove the lower screw completely from the manifold 7 Lift the OM from the bottom enclosure Figure 5 21 The OM Ground wire 8 32 nut x1 10 lbf in Oxygen control valve OM flow sensor Remove tubing from flow sensor outlet 6 32 x 1 3 8 screw x3 17 lbf in Oxygen manifold Bottom enclosure OM ribbo...

Page 75: ... tubing from the tee that connects to the pressure transducer on the PC board 5 Lift the AFM and attached oxygen baffle from the bottom enclosure Figure 5 22 Removing the AFM and Oxygen Baffle 6 Pull to remove the oxygen baffle from the AFM inlet NOTE The oxygen baffle is standard on units built s n 106000 and above Although not standard the oxygen baffle can be installed in units built s n 105999...

Page 76: ...possibility of inadvertent leaks reinstall the PRV so that it is flush with the chassis floor 1 Remove the AFM section 5 14 2 Remove the two 5 16 in nuts that attach the PRV to the bottom enclosure 3 Disconnect PRV cable from PC board J7 4 Gently lift up and away from the inline flow restrictor ILFR valve Figure 5 23 Removing the PRV Bottom enclosure 6 32 locknut x2 6 lbf in ILFR valve PRV PRV cab...

Page 77: ...tall 1 Remove the PRV section 5 15 2 Remove the screw from outside the back panel that retains the ILFR valve bracket 3 Open the cable retainer and remove ILFR cable 4 Disconnect ILFR cable from PC board J8 5 Gently lift up and away from the blower Figure 5 24 Removing the ILFR Valve ILFR valve ILFR cable PC J8 Bracket Silicone coupling 6 32 x 1 4 screw x1 10 lbf in Outside back panel Connection t...

Page 78: ...Reverse to install 1 Remove the blower section 5 12 2 Disconnect the main power switch cable from its connector on the power supply subsystem PSS J7 3 Pull the switch away from the back panel feeding its cable through the back panel cutout Figure 5 25 Removing the Main Power Switch Main power switch Back panel Bottom enclosure Power supply subsystem PSS Main power switch cable PSS J7 ...

Page 79: ...r switch section 5 17 2 Remove the fan cable from the PSS PSS J6 PSS J4 for units built s n 105999 and below 3 Remove the 4 screws that attach the fan outlet cover to the back panel 4 Unscrew the 4 standoffs from the back panel then remove the standoffs and finger guard 5 From inside the back panel lift the fan away from the bottom enclosure Figure 5 26 Removing the Fan Finger guard Fan outlet cov...

Page 80: ...ower AFM ribbon cable PC J4 AFM PRV cable PC J7 PRV ILFR cable PC J8 ILFR PSS voltage monitoring cable PC J12 PSS J8 NOTE Although the OM and AFM ribbon cables are interchangeable they are designed so that the shorter cable connects to the AFM and longer cable connects to the OM 5 Remove the pressure tubing from pressure transducers MT1 and MT3 To reinstall pressure tubing Connect front panel prox...

Page 81: ...e care to align the connector on the underside of the board with the corresponding pins on the main control MC board Figure 5 27 The PC Board PC board Power harness ICB cable OM cable AFM cable PSS voltage monitoring cable PSS cable AFM tubing AFM cable Proximal pressure tubing Standoff x7 Proximal pressure tubing to MT1 AFM tubing to MT3 ...

Page 82: ...the MC board RS 232 cable from back panel MC J3 RS 232 port Nurse call remote alarm cable MC J5 remote alarm connector RS 232 to DC harness MC J6 DC J5 5 Remove the 2 screws that attach the MC board from the bottom enclosure 6 Lift the MC board from the bottom enclosure Figure 5 28 Removing the MC Board MC board Tabbed nylon standoff x7 2 lbf in Bottom enclosure RS 232 cable MC J3 Power connection...

Page 83: ...erse to install 1 Remove the front panel enclosure section 5 7 2 Disconnect the alarm cable from the display control DC board connector J12 3 Remove the 2 screws that attach the alarm to the bottom enclosure 4 Lift the alarm from the bottom enclosure Figure 5 29 Removing the Alarm Bottom enclosure Alarm cable connects to DC J12 Alarm 6 32 x 1 4 screw x2 2 lbf in ...

Page 84: ...SS PC power cable PSS J2 PC J1 Fan cable PSS J6 Power switch cable PSS J7 Voltage monitoring cable PSS J8 PC J12 PSS ground wire 3 Remove the 6 screws that attach the PSS to the bottom enclosure Figure 5 30 Removing the PSS Fan cable PSS J6 Power indicator LED cable Power supply subsystem PSS 8 32 x 1 2 screw x6 6 lbf in Voltage monitoring cable PSSJ8 PC J12 Power switch cable PSS J7 Transformer c...

Page 85: ...its built s n 105999 and below do not include an RS 232 connector 1 Remove the blower section 5 12 2 Remove the RS 232 cable from MC J3 3 Remove the 2 screws that attach the RS 232 connector to the outside of the back panel 4 Feed the connector and cable through the cutout in the back panel Figure 5 31 Removing the RS 232 Connector Back panel outside RS 232 connector M2 5 x 8 screw x2 Cable connec...

Page 86: ...built s n 105999 and below do not include a nurse call remote alarm connector 1 Remove the blower section 5 12 2 Remove the nurse call remote alarm cable from MC J5 3 Remove the 9 16 in nut that attaches the nurse call remote alarm connector to the inside of the back panel 4 Feed the connector and cable through the cutout in the back panel Figure 5 32 Removing the Nurse Call Remote Alarm Connector...

Page 87: ...nuts that attach the AC inlet and power line filter to the back panel 3 Disconnect the transformer cable 4 Remove the nut that attaches the ground wires from the bottom enclosure Figure 5 33 Removing the AC Inlet Assembly 4 40 x 3 8 screw x2 6 lbf in Transformer cable connection AC inlet 4 40 locknut x2 6 lbf in Power line filter 8 32 nut x1 per ground wire 10 lbf in Ground wires from AC inlet and...

Page 88: ...re 5 34 Reverse to install 1 Remove the blower section 5 12 2 Remove the retaining nut and plate at the top of the transformer 3 Disconnect the transformer cables from the PSS J1 and AC inlet assembly Figure 5 34 Removing the Transformer Transformer cable connection Transformer cable to AC inle Transformer cable to PSS J1 1 4 20 nut x1 20 lbf in Plate Transformer ...

Page 89: ...RV enclosure Figure 5 35 Reverse to install NOTE Apply a small amount of threadlock when reinstalling the PRV enclosure screws to the bottom enclosure 1 From the underside of the bottom enclosure remove the four screws that attach the PRV enclosure 2 Remove the PRV enclosure Figure 5 35 Removing the PRV Enclosure PRV enclosure Bottom enclosure 6 32 x 1 4 screw x4 10 lbf in ...

Page 90: ...ation 5 28 Back Panel Strain Relief Follow these steps to remove the back panel strain relief Figure 5 35 Reverse to install 1 Remove the screw that attaches the back panel strain relief 2 Remove the strain relief Figure 5 36 Back Panel Strain Relief 6 32 x 1 4 screw x1 2 lbf in Strain relief ...

Page 91: ...the bottom enclosure 1 Turn the ventilator off and disconnect the power cord from the back of the device 2 Remove the screw that attaches each bumper foot from the bottom enclosure Figure 5 37 Bumper Feet CAUTION To avoid contacting the power supply do not over tighten the left rear bumper foot NOTE When installing the ventilator to the universal cart replace the rear bumper foot with the cart s c...

Page 92: ...Chapter 5 5 40 BiPAP Vision Service Manual Respironics Inc 1062788 Component Removal Installation This page is intentionally blank ...

Page 93: ...ems See Section 6 3 to diagnose and correct alarms See Section 6 4 to diagnose and correct Check Vent error codes See Section 6 5 to diagnose Vent Inop error codes Section 6 6 describes how to interpret error codes and determine which one is the primary fault Section 6 7 describes how to perform service if the ventilator continues operating when both a Vent Inop and a Check Vent error code 201 occ...

Page 94: ...ch pad does not respond to selection Defective touch pad or DC board 1 Check connections 2 Replace touch pad 3 Replace DC board Rotary encoder does not adjust selection Defective rotary encoder or DC board 1 Replace rotary encoder 2 Replace DC board Ventilator operation is interrupted then resumes AC power restored after power loss For software versions 11 12 12 8 13 8 and higher normal operation ...

Page 95: ...ision Service Manual Respironics Inc 6 3 Check Vent icon lights audible alarm sounds See Section 6 4 Vent Inop icon lights audible alarm sounds See Section 6 5 Table 6 1 Troubleshooting Common Problems Symptom Possible cause Corrective action ...

Page 96: ... Inop Indicators Check Vent indicator notifies users of potentially abnormal operation When active the yellow eye icon lights and an audible alarm sounds Pressing Alarm silence temporarily silences the audible alarm The visual indicator cannot be reset and remains lit until the error is corrected The ventilator continues operation during a Check Vent condition Vent Inop indicator notifies users of...

Page 97: ...ition is corrected An operator can press the Alarm silence key to turn off the audible alarm for 2 minutes subsequent presses have no effect on the alarm During the 2 minute alarm silence the message Alarm Silenced appears in the mode message area Except for an apnea alarm any new alarm that occurs during the 2 minute alarm silence is displayed but an audible alarm does not sound If an alarm condi...

Page 98: ...n loss of flow and pressure The 4 cmH2O pressure keeps the flap open during FLC to avoid occluding the patient circuit When the ventilator detects that the patient is reconnected it slowly increases pressure to maintain a the flow of 160 170 LPM Circuit pressure is limited to 10 cmH2O software version 11 2 and 11 3 or 15 cmH2O software version 11 3a and higher regardless of how much flow is genera...

Page 99: ...11 2 and 11 3 or 15 cmH2O for software version 11 3a and higher Example if the ventilator can only reach 80 LPM at 10 cmH2O older software or 15 cmH2O newer software FLC terminates if of flow is below 40 LPM or above 120 LPM older software flow is below 60 LPM or above 100 LPM newer software This allows FLC to terminate when the mask is refitted to the patient without requiring the patient to brea...

Page 100: ...wer 2 Check fuses Thermal fuse activated non resettable Replace transformer No bulk supply voltage Replace PSS Apnea No spontaneous breath triggered within set apnea interval Cancels when patient triggers 2 consecutive spontaneous breaths Apnea alarm can be disabled Patient not breathing or cannot trigger a spontaneous breath 1 Check patient 2 Check patient circuit 3 Review apnea alarm limit Disco...

Page 101: ...tal respiratory rate the number of mandatory and spontaneous breaths below the low rate alarm limit Cancels if the measured rate rises above the alarm limit Patient s respiratory rate decreases Patient cannot trigger breaths Low rate alarm limit set too high for patient 1 Check patient 2 Review low rate alarm limit LoMin Vent Delivered minute volume is below the low minute volume alarm limit alarm...

Page 102: ...ow limit control FLC state Large leak Occluded patient circuit Check the patient circuit for leaks kinks or obstructions ProxLine Disc Proximal pressure line disconnect measured proximal pressure is less than 1 cmH2O for over 1 s Cancels if proximal pressure rises above 1 cmH2O Alarm automatically cancelled if ventilator enters flow limit control FLC state Proximal pressure line disconnected or bl...

Page 103: ...eshooting Flow Chart Check Vent indicator lights audible alarm sounds Select Monitoring Options Error Messages the error at the top of the list is the Check Vent code See troubleshooting information on Check Vent error codes Table 6 3 Remove top enclosure and ensure that all connections are secure and subsystems are correctly installed Perform corrective action for the error code Verify that probl...

Page 104: ...continues operating when both a Vent Inop and a Check Vent error code 201 occur Perform service described in Section 6 7 201 DC audible alarm error Replace DC board 202 DC Check Vent indicator current error Replace DC board 203 DC Vent Inop indicator current error Replace DC board 204 DC backlight voltage error Replace DC board 205 Low DC alarm battery voltage 1 Recharge battery Chapter 4 2 Replac...

Page 105: ...hooting information on Vent Inop error codes Table 6 4 Remove top enclosure and ensure that all connections are secure and subsystems are correctly installed Perform corrective action Verify that problem is corrected Replace top enclosure Perform applicable testing and calibration Chapter 7 Verify that input voltage is connected Does ventilator power on and display properly Yes No Connect service ...

Page 106: ...ious interrupt Replace subsystem with lit error LED 602 MC E02 DC 1602 PC MCU detects unassigned interrupt Replace subsystem with lit error LED 603 MC E03 DC 1603 PC MCU detects bus interrupt Replace subsystem with lit error LED 604 MC E04 DC 1604 PC MCU detects illegal instruction execution Replace subsystem with lit error LED 605 MC E05 DC 1605 PC MCU detects breakpoint error Replace subsystem w...

Page 107: ...ady for character output Replace subsystem with lit error LED 700 MC F00 DC 1700 PC CRC error calculated CRC does not match sent CRC on third send to DC MC 1 Replace intermodule communications bus ICB cable 2 Replace DC board 3 Replace MC board 4 Replace PC board 701 MC F01 DC 1701 PC Negative acknowledgment NAK received on third send to DC MC 1 Replace ICB cable 2 Replace DC board 3 Replace MC bo...

Page 108: ... Replace subsystem with lit error LED 709 MC F09 DC 1709 PC General purpose timer GPT not initialized before Initiate Timers call Replace subsystem with lit error LED 70A MC F0A DC 170A PC Invalid usec ticks timers not initialized or PCsed is too large 62499 prevents rollover Replace subsystem with lit error LED 70B MC F0B DC 170B PC Invalid priority level PCsed priority level value is invalid Rep...

Page 109: ... data in test mode signals or mode specific message received in incorrect mode Replace DC board B03 Hard key table decoding error invalid ICB message for selected hard key Replace DC board B04 Screen state error invalid soft key selection for mode illegal entry into process key stroke function Replace DC board B09 Simultaneous failure of Vent Inop LED and audible alarm alarm and system error LED i...

Page 110: ...gnal or serial peripheral interface SPI timeout when attempting to get time Replace MC board 207 Illegal operational test test does not exist Replace MC board 209 12 V out of range ADC voltage test Replace MC board 20A 12 V out of range ADC voltage test Replace MC board 20B 24 V out of range ADC voltage test Replace MC board 20C Reference voltage Vref out of range ADC voltage test Replace MC board...

Page 111: ...mmand received S T or PAV T command ID from PC 1 Replace DC board 2 Replace MC board 30C Invalid S T command received CPAP or PAV T command ID from PC 1 Replace DC board 2 Replace MC board 30D Invalid PAV T command received CPAP or S T command ID from PC Replace DC board 30E Dispatch function error command ID from DC not recognized Replace DC board 310 MC scan overrun error response task did not c...

Page 112: ...Invalid mode invalid mode on active mode signal not standby CPAP or PAV T Replace MC board Vent Inop errors specific to PC board 1201 ADC timeout incomplete conversion after a 173 usec delay following an ADC read ILFR O ANA ground Vref Replace PC board 1202 Blower speed test error invalid data in blower test status signal Replace PC board 1203 Test control error invalid data in the test case prima...

Page 113: ...B cable 2 Replace PC board 3 Replace MC board 4 Replace DC board 1210 Blower voltage error in safe state blower drive voltage read from MUX is 15 MV Replace PC board 1211 Pressure release valve PRV error in safe state PRV drive voltage read from internal ADC 15mV Replace PC board 1212 In line flow restrictor IFLR error in safe state IFLR drive voltage read from internal ADC 15mV Replace PC board 1...

Page 114: ...onal blower voltage reference test error blower drive voltage from MUX 40 mV on second try immediately following first try Replace PC board 122A Corrupt resistance table software error invalid data Replace PC board 122B Invalid mode software error selected mode not supported in software Install PAV T EPROM on PC board 122C Blower error overcurrent undervoltage shutdown 1 Replace PC board 2 Replace...

Page 115: ...wer speed 750 RPM above or below setting for 12 s 1 Replace blower 2 Replace PC board 1228 Pressure setpoint calculation error low PC filter LPF of pressure setpoint in rate rise calculation is out of range Replace PC board 1300 AFM calibration error CRC error or data all zeros Replace AFM 1301 OM calibration error CRC error or data all zeros Replace oxygen module OM 1302 PC calibration error CRC ...

Page 116: ...12 AFM detect conversion error ADC read not complete in time for AFM detection read 1 Replace AFM cable 2 Replace AFM 3 Replace PC board 1313 OM detect conversion error ADC read not complete in time for OM detection read 1 Replace OM cable 2 Replace OM 3 Replace PC board 4 Replace AFM 1316 Absolute atmospheric pressure sensor error sensor reading 20 in Hg or 40 in Hg for 2 5 s Replace PC board 131...

Page 117: ... default values or calculated data 1 Replace AFM cable 2 Replace AFM 3 Replace PC board 1321 PC calibration error 4 CRC calibration data filled with default values or calculated data Replace PC board 1322 Sensor drift error outlet or pressure sensor out of range tolerance 2 cmH2O of nominal 1 Replace AFM cable 2 Replace AFM 3 Replace PC board 1323 PC calibration error 6 CRC drift data cannot be up...

Page 118: ... may be the primary fault For example if these error codes occur MC 70E Tack timeout PC 0 hardware failure DC 11D1 touch pad error In this example the error code 11D1 indicates a touch pad error and may be the primary fault This Vent Inop error powers down the ventilator The error code 70E indicates a timeout because the MC is not receiving communication from the PC The error code 0 indicates a ha...

Page 119: ...ors These instructions do not apply to boards with gold connectors Follow these steps to clean the connectors and minimize future oxidation Required equipment NyoGel 760G contact grease P N 1013213 1 To help remove oxidation from connector pins remove and reinstall the PC board from the MC board at least three times CAUTION Do not attempt to clean oxidation by using a pencil eraser Erasers are ver...

Page 120: ...Chapter 6 6 28 BiPAP Vision Service Manual Respironics Inc 1062788 Troubleshooting This page is intentionally blank ...

Page 121: ...tions for calibrating the blower and valves after replacing major components Performance verification Section 7 5 confirms that the ventilator user interface is functioning properly and does not verify specifications Run in cycle Section 7 6 a procedure that cycles the ventilator for 30 minutes with specified parameters to qualify a repair after part replacement System final test Section 7 7 verif...

Page 122: ...t X X X LCD X MC board X X X Oxygen module OM X X X OM regulator bowl Not required OM regulator filter Not required Main power switch X PC board X X X PSS board X X X Pressure relief valve PRV X X X PRV muffler X X Rotary encoder X X Rotary encoder knob Not required Rubber feet Not required Top enclosure Not required Touch pad X X Transformer X X X Table 7 1 Test Requirements Following Part Replac...

Page 123: ...Inc 7 3 Power line filter X X Audible alarm X X EPROMs including PAV T X X Oxygen manifold regulator X X X Oxygen flow module X X X Table 7 1 Test Requirements Following Part Replacement Replacement part Blowervalve calibration Run in cycle Performance verification System final test ...

Page 124: ...ator to display accurate patient data patient leak minute ventilation and tidal volume This test also helps ensure the accuracy of the low minute ventilation when the alarm limit is less than 3 L min If the test is not performed only the total leak can be displayed Required equipment Smooth inner lumen tubing 6 foot length Whisper Swivel P N 332113 Pressure pick off port Follow these steps to perf...

Page 125: ...OW FLOW CHECK CIRCUIT REPEAT TEST Lower than normal leak rate at the exhalation port 1 Check that exhalation port vents are not blocked and that the circuit is connected properly Repeat test 2 Replace these parts in order PC board AFM PRV and ILFR Repeat test after each replacement EXCESSIVE FLOW CHECK CIRCUIT REPEAT TEST Higher than normal leak rate at the exhalation port 1 Check that internal ci...

Page 126: ...t pressures cannot be reached 1 Check that internal proximal pressure line is connected and not blocked Repeat test 2 Replace these parts in order AFM PC board Repeat test after each replacement INTERMITTENT EXCESSIVE FLOW CHECK CIRCUIT REPEAT TEST Intermittently high leak rates during test 1 Check that internal and external circuits are properly sealed Repeat test 2 Replace these parts in order P...

Page 127: ...number and upgrade status of the ventilator Table 7 3 Test Cables for Service Laptop Ventilator serial number upgrade Required cables Ventilators s n 105999 and below no upgrades original MCS PAS and DCS boards installed Test cable 582161 Ventilators s n 105999 and below upgraded new PC and MC boards installed Test cable 1004823 Ribbon cable 1004699 Standard RS 232 serial cable Ventilators s n 105...

Page 128: ...mation Follow these steps 1 Connect the test cable to the RS 232 port on the service laptop 2 Connect cable s to the ventilator Non upgraded s n 105999 and below connect test cable 582161 to the selected subsystem J3 on the PAS and MCS boards or J5 on the DCS board Upgraded s n 105999 and below connect ribbon cable 1004699 to the appropriate connector on the test cable 1004823 s n 106000 and above...

Page 129: ...erties Settings ASCII Setup 6 Enter the appropriate command Table 7 4 the command does not appear on the laptop screen but requested data appears after entering the command NOTE If there is an existing Vent Inop condition the MC DC and PC output error information without any command The MC and DC output a full screens of information and the PC outputs one line of error information During normal op...

Page 130: ...rating parameters PC connection If the ventilator is in a Vent Inop condition the current error appears automatically SJM MC error code information MC connection If the ventilator is in a Vent Inop condition the current error appears automatically SJD DC error code information DC connection If the ventilator is in a Vent Inop condition the current error appears automatically SJE Check vent error c...

Page 131: ...004823 for newer ventilators units built s n 106000 or above or upgraded ventilators units built s n 105999 or below Follow these steps to transfer the total operating hours 1 Power on the ventilator NOTE If powering on is not possible approximate the number of hours based on previously documented hours and estimated additional running time 2 Record the ventilator s total operating hours from the ...

Page 132: ...ator s n 106000 and above 4 Leave the ventilator in the Setup screen 5 Enter SJO all capital letters at the PC keyboard 6 At the Operating Time Modify screen follow the onscreen instructions to enter the recorded value for Total Operating Time 7 Turn the power switch OFF and remove the service laptop from the ventilator Reassemble the ventilator or continue testing ...

Page 133: ...nd below with original MCS PAS and DCS boards installed P N 1004823 for newer ventilators s n 106000 and above or upgraded ventilators s n 105999 and below 0 25 in test orifice P N 332353 Phillips screwdriver Follow these steps 1 Verify that the ventilator is powered off 2 For ventilators s n 105999 and below remove the top enclosure 3 Depending on the test cable required connect one side of the t...

Page 134: ... information the cursor blinks and the message Valve Calibration Successful the calibration is complete 9 Unless the test cable is required for further testing return the ventilator to its normal configuration Power off and disconnect the power cord Unplug the test cable and remove the test orifice Reinstall the top enclosure ...

Page 135: ...N the ventilator performs a system self test and returns to normal operation using the same settings that were in effect before the AC power loss If the AC power loss is longer than approximately 10 seconds and the power switch remains ON the ventilator performs a system self test displays the Exhalation Port Test screen and does not resume ventilation Software versions 11 12 12 8 13 8 and higher ...

Page 136: ...7 1 After successful completion press MONITORING to go to the Monitoring screen 6 Select Options to go to the Options screen If an alarm is active press Alarm reset 7 Test alarms test Select Test Alarms to verify that the audible and visual indicators activate for each available alarms if either the audible or visual does not activate service is required Verify that the Vent Inop and Check Vent in...

Page 137: ...taneous trigger you might need to repeat this process a few times Verify that the ventilator cycles to IPAP and that the Rate indicator does not flash Once a spontaneous breath is triggered unblock the test orifice 12 High pressure alarm test Press ALARMS to go to the Alarms screen then set Hi P to 10 cmH2O Wait for audible and visual alarms indicating a High Pressure alarm Return Hi P to 20 cmH2O...

Page 138: ...nt and verify that the measured value is 300 uA d Electrical safety analyzer settings neutral closed polarity reversed leakage current earth leakage e Measure and record the reverse pole no earth L2 earth leakage current and verify that the measured value is 300 uA f Power off the ventilator disconnect the test circuit and disconnect AC power g Electrical safety analyzer settings neutral open pola...

Page 139: ...e Vent Inop alarm Pass Fail Exhalation port test Pass Fail Test alarms Pass Fail Monitoring screen parameters Pass Fail Spontaneous breath Pass Fail High pressure alarm Pass Fail Low pressure alarm Pass Fail Apnea alarm Pass Fail Earth Resistance and Leakage Current Test Test DMM reading Specification Pass Fail Earth resistance 0 20 Ohms Pass Fail Normal pole no earth L2 300 uA Pass Fail Reverse p...

Page 140: ...port to the ventilator pressure input 2 Power up the ventilator and select these settings in S T mode 3 Select these alarm limits 4 Verify that the displayed values on the Monitoring screen match the set values 5 Run the ventilator for 30 minutes using the selected settings during this time verify that displayed values match set values and that no alarms occur 6 If an alarm occurs see Chapter 6 fo...

Page 141: ...nents of the system final test procedure Table 7 5 System Final Test Procedures Procedure Description System final test setup Section 7 7 1 Power indicator and LCD controls test Section 7 7 2 Pressure accuracy test Section 7 7 3 Flow accuracy test Section 7 7 4 Dynamic pressure regulation test Section 7 7 5 S T mode performance test Section 7 7 6 Options and controls Section 7 7 7 Alarms test Sect...

Page 142: ... regulator Oxygen analyzer Variable flow restrictor P N 1006120 Whisper Swivel P N 332113 Phillips screwdriver Pressure tubing Electrical safety analyzer Test cable P N 582161 for non upgraded ventilators s n 105999 and below P N 1004823 for newer s n 106000 and above or upgraded ventilators Multiple outlet power strip Plug cap or stopper Pressure pick off port for oxygen port P N 312710 0 25 in t...

Page 143: ...n connect the test cable from the service laptop RS 232 port to the ventilator PCS connection J3 on the PCS board or the test cable labeled PC Newer s n 106000 and above or upgraded ventilators connect test cable from service laptop to the RS 232 connector on the ventilator back panel 2 Connect patient tubing to the ventilator outlet Connect a pressure pick off port to the tubing then connect a fl...

Page 144: ...ing 2 Set CPAP pressure and activate CPAP mode In CPAP mode select PARAMETERS Set CPAP 5 cmH2O In S T mode select MODE CPAP 5 cmH2O Activate new mode In PAV T mode select MODE CPAP 5 cmH2O Activate new mode 3 Enter SJL all capital letters no carriage return at the service laptop keyboard to view the ventilator system parameters when you enter the command the display shows only a blinking cursor If...

Page 145: ... 8 Set CPAP to 20 cmH2O adjust flow restrictor to 30 LPM 3 LPM and repeat 7 7 4 Flow Accuracy Test 1 Leave CPAP set to 20 cmH2O and adjust flow restrictor to each of these flow settings in order 0 LPM 0 5 LPM specified 5 to 5 LPM 10 LPM 1 LPM specified 4 2 to 15 8 LPM 60 LPM 1 LPM specified 50 2 to 69 8 LPM 120 LPM 1 LPM specified 105 6 to 134 4 LPM 2 For each flow setting record Flowmeter reading...

Page 146: ... Test Exh Port then Start Test Do not block the Whisper Swivel vents while the test is in progress Follow onscreen instructions until the Test complete message appears 6 Press MONITORING to exit then press PARAMETERS 7 Ensure that the ventilator is in CPAP mode and set CPAP 20 cmH2O 8 Unblock the Whisper Swivel do not remove and connect the test lung Figure 7 8 Set test lung to a parabolic resista...

Page 147: ...ilator to cycle several times 4 Verify that the rate is 9 3 to 10 8 BPM and record the reading 7 7 7 Options and Controls 1 Press MONITORING then select Options 2 Select Invert verify function and press Invert again 3 Select Bar Graph verify that bar graphs display then press Bar Graph again to return to Waveform 4 Press Test Alarms and verify that audible alarm sounds alarm messages are displayed...

Page 148: ...and that alarm messages ProxLine and or Lo P Disc appear in the alarm message window at the top of the screen 2 Replace pressure tubing and verify that audible alarm is silent Press Alarm reset to clear the alarm message 3 Remove the AC power cord from the ventilator and verify that the audible alarm sounds and the Vent Inop wrench indicator lights 4 Power off the ventilator wait for the audible a...

Page 149: ...en content after using the analyzer to measure gas with any oil vapor content Oil vapor contaminates tubing and can cause fire on contact with high concentrations of oxygen 1 Inspect the internal components of the oxygen delivery system to verify that no damage is visible 2 Figure 7 9 shows the test setup for the OM test Figure 7 9 Oxygen Module Accuracy Test Setup 3 Set the test lung to a complia...

Page 150: ...ration is 27 to 33 9 Set O2 to 100 close the oxygen cylinder valve and disconnect the oxygen hose from the back of the ventilator 10 Verify that the ventilator activates a No oxygen alarm within 15 or fewer breaths Press Alarm reset to clear 11 Reconnect the oxygen hose open the oxygen cylinder valve and set O2 to 40 Verify that there is no alarm after 8 breath cycles 12 Once the analyzer has stab...

Page 151: ... earth resistance is 0 20 Ohms 3 Electrical safety analyzer settings neutral closed polarity normal leakage current earth leakage Measure and record the normal pole no earth L2 earth leakage current and verify that the measured value is 300 uA 4 Electrical safety analyzer settings neutral closed polarity reversed leakage current earth leakage Measure and record the reverse pole no earth L2 earth l...

Page 152: ... test allows testing for the nurse call remote alarm connector when configured as Remote alarm option 1 Nurse call normally closed option 2 Nurse call normally open option 3 the factory set configuration Jumpers on the MC board configure the nurse call remote alarm connector Figure 7 10 Figure 7 10 MC Board Jumpers Nurse call remote alarm configuration JP1 JP2 Remote alarm option 1 2 3 2 3 Nurse c...

Page 153: ...urse call normally closed 1 With ventilator power off use the DMM to measure the continuity between the high and low of the connector and verify that the measurement indicates a closed circuit 2 Install a test orifice to the ventilator outlet and power on 3 Activate a patient alarm for example set Apnea 20 seconds 4 When the alarm occurs repeat the connector measurement and verify that it indicate...

Page 154: ...Flow setting Flowmeter Compensated total flow Pressure Specification Pass Fail 0 LPM 5 to 5 LPM Pass Fail 10 LPM 4 2 15 8 LPM Pass Fail 60 LPM 50 2 69 8 LPM Pass Fail 120 LPM 105 6 134 4 LPM Pass Fail 120 LPM 18 22 cmH2O Pass Fail Dynamic Pressure Regulation Test Exhalation port test complete Pass Fail Flow waveforms created peak flow 100 LPM rate 30 BPM Pass Fail Manometer reading 18 22 cmH2O Pas...

Page 155: ...dible alarm Pass Fail Oxygen Module OM Test O2 setting O2 analyzer reading Specification Pass Fail 21 18 0 24 Pass Fail 30 27 0 33 Pass Fail O2 cylinder valve closed O2 flow alarm active within 15 breaths Pass Fail 40 36 44 Pass Fail 60 54 66 Pass Fail 80 72 88 Pass Fail 100 90 Pass Fail PAV T Mode Test PAV T mode features displayed correctly no alarms occur Pass Fail N A Earth Resistance and Leak...

Page 156: ... an OM component test the OM using the system final test Section 7 7 If OM testing fails perform OM calibration then repeat the system final test NOTE If the OM still does not pass the system final test follow standard repair procedures Required equipment Fluke 87 digital multimeter DMM or equivalent 3 1 2 digit readout 1 Remove the complete OM assembly except for its ground wire and ribbon cable ...

Page 157: ...ibes how to install these options Section 8 1 1 proportional assist ventilation timed PAV T mode Section 8 1 2 oxygen baffle an enhancement for ventilator s n 105999 and below 8 1 1 PAV T Mode Required equipment Phillips screwdriver Small long shaft flat blade screwdriver EPROM extraction tool The PAV T option kit includes EPROM for DC board ERPOM for PC board EPROM for MC board Alarm B PAL MC boa...

Page 158: ...n 3 Carefully install the new DC EPROM aligning the flat edges of the EPROM and the socket 4 Reinstall the DC board 5 Remove the PC board from the ventilator CAUTION To avoid damaging pressure transducers avoid using excessive pressure to remove tubing Carefully twist the tubing slightly to break the seal the continue to rotate the tubing as you lift it away from the transducer DC EPROM Ventilator...

Page 159: ...xisting EPROM Figure 8 2 shows the EPROM location on the board and store in an antistatic container if required Figure 8 2 PC Board EPROM Location 7 Carefully install the new PC EPROM aligning the flat edges of the EPROM and the socket PC EPROM Ventilator s n 105999 and below not upgraded PC EPROM Ventilator s n 106000 and above ...

Page 160: ... of the EPROM and alarm PAL on the board Figure 8 3 MC Board EPROM and Alarm PAL Locations 9 Carefully install the new MC EPROM and alarm PAL aligning the flat edges of the EPROM and the socket 10 Reassemble the ventilator 11 Perform the run in cycle and system final test described in Chapter 7 before returning the ventilator to use Ventilator s n 105999 and below not upgraded Alarm PAL Ventilator...

Page 161: ...roves air and oxygen mixing and airflow module AFM operation Figure 8 4 Oxygen Baffle 1 Remove the top enclosure and front panel 2 Remove the following oxygen module OM components Figure 8 5 AFM OM outlet tubing support bracket no longer needed T connection no longer needed 22 mm coupling at OM outlet no longer needed Figure 8 5 Removing OM Components Oxygen tubing support bracket Tee connection O...

Page 162: ...e thermistor wire connection Figure 8 6 4 Align the nylon washers over the screw holes The washers provide the necessary clearance for installing the baffle Figure 8 6 Installing Nylon Washers under AFM Mounting Screws 5 Replace the flow body and fasten the screws Figure 8 7 Figure 8 7 Reassembled AFM Nylon washers x2 AFM mounting screws x2 Flow body Circuit board Nylon washers x2 Flow body ...

Page 163: ...e ventilator Figure 8 8 Figure 8 8 Installing the Oxygen Baffle onto the ILFR 7 Carefully insert the AFM into the oxygen baffle outlet until the AFM is aligned with its three mounting posts on the bottom enclosure then press on the AFM circuit board to secure the AFM in place Figure 8 9 Figure 8 9 Installing the AFM Oxygen baffle flow direction arrow pointing to front of ventilator OM tubing Oxyge...

Page 164: ...nal test described in Chapter 7 before returning the ventilator to use 8 2 Upgrades This section summarizes the upgrade history for BiPAP Vision ventilators 8 2 1 Serial Number 105999 and Below The following upgrades Table 8 1 do not include these updated items Nurse call remote RS 232 serial port Oxygen baffle Ground stud Existing touch pads and labeling are not affected Language versions are ava...

Page 165: ...le PSS to PC Power cable PC to DC ICB cable PC MC board spacers Nut for MC center board spacer Pressure tubing Cable clamps Screw for center cable clamp MC ground screw Top cover screws RP Vision DC Upgrade PAV 1004707 Replaces DC PC and MC boards for ventilators with PAV Adds languages May also require new test cable P N 1004823 and RS 232 serial cable P N 1004699 Includes DC board and version 13...

Page 166: ... pressure increase from 10 to 15 cmH2O during Disconnect alarm condition revised alarm sounds 5 beep sequence for patient alarms 3 beep sequence for Check Vent alarms soft click for out of range setting attempt original tone for Vent Inop alarms Includes DC board Version 11 EPROM PC board Version 11 EPROM MC board Version 11 EPROM Alarm B option PAL not used for ventilators that already have PAV T...

Page 167: ...0749 Fuse 100 120 V 4 0 A P N 1041196 If current fan muffler is labeled with 3 5 A rating also install 4 0 A rating circulation fan muffler P N 1041193 MCS board P N 582140 MC upgrade kit non PAV P N 1004713 MC upgrade kit PAV P N 1000356 OM assembly French P N 582254 Spanish P N 582255 Italian P N 1003547 German P N 582220 OM assembly international P N 1004977 PAV T option kit P N 1000747 EPROM k...

Page 168: ...all the upgrade kit 1 Install the version 13 EPROMs into the sockets on the MC and PC boards 2 For non PAV remove original alarm PAL from U41 on the MCS and install it onto the new MC board For PAV install the alarm PAL provided in the upgrade kit into U41 on the new MC board 3 Install the DC EPROM provided in the upgrade kit onto the DC board 4 Install the DC board to the front enclosure 5 On the...

Page 169: ...le from J4 on the PC board to the AFM and J6 on the OM 14 Install the new power supply cable to the PSS and connect the middle cable connector to the PC board power connection Make a counter clockwise loop with the remaining cable length and connect it to the DC board 15 Use the 6 32 x 1 4 screw and cable clamp provided in the kit to attach the power supply cable to the center aluminum spacer in t...

Page 170: ... upgraded ventilator Blower valve calibration Run in cycle System final test NOTE When you power up the upgraded ventilator a Check Vent error 301 may occur Running a blower valve calibration and cycling power will clear this error 20 When testing is complete remove the test ribbon cable from MC board and install the top enclosure using the two 6 32 x 1 2 screws provided in the upgrade kit ...

Page 171: ...ion Part number AC inlet includes power inlet filter 582138 AC power cord North America 362435 AC power cord clamp 1000751 Adapter nurse call Executon Hill Rom connector 1014280 Adapter plate Universal Roll Stand BiPAP Vision 1048872 Airflow module AFM 582127 Alarm module optional 582158 Audible alarm 1000743 Backlight 1014432 Baffle oxygen 1004705 Base assembly Universal Roll Stand 1048900 Basket...

Page 172: ... in cable kit P N 582131 Cable nurse call 1003742 Cable ribbon for RS 232 and with test cable for upgraded s n 105999 and below 1004699 Cable test s n 105999 and below 582161 Cable test s n 106000 and above and upgraded s n 105999 and below 1004823 Caster kit Mobile Stand II locking 1001921 Caster kit Mobile Stand II non locking 1001922 Caster kit Universal Roll Stand locking 1048898 Caster kit Un...

Page 173: ...re bottom s n 106000 and above 1004700 Enclosure front panel 582135 Enclosure inlet filter also order inlet filter foam strip P N 1004493 582134 Enclosure top 582150 EPROM extraction tool kit 1006874 EPROM kit v11 s n 105999 and below 1000286 EPROM kit v11 with PAV s n 105999 and below 1003524 EPROM kit v12 s n 105999 and below 1000351 EPROM kit v12 with PAV s n 105999 and below 1000349 EPROM kit ...

Page 174: ...Hanger oxygen hose assembly Mobile Stand III 1007903 Hardware kit Universal Roll Stand 1048896 Harness nurse call s n 106000 and above 1004697 Harness power PC DC s n 106000 and above 1004696 Harness power PSS PC s n 106000 and above 1004706 Hose kit includes all internal tubing 582136 Humidifier bracket Fisher Paykel Universal Roll Stand 1049677 Humidifier bracket Pacifico Medico Universal Roll S...

Page 175: ...ow manufactured with gold contacts 1018548G Mount patient support arm Mobile Stand II 1002310 Muffler blower 582129 Muffler circulation fan English 3 5 A rating 582155 Muffler circulation fan English 4 0 A rating 1041193 Muffler circulation fan international 1005618 Muffler PRV 582156 Orifice test 0 25 in 332353 Oxygen flow module 1014433 Oxygen Module OM assembly English 582142 Oxygen Module OM a...

Page 176: ...nd III includes instructions storage compartment and hardware 1015386 Rotary encoder 582148 Service kit BiPAP Vision includes Adjustable flow valve P N 331461 Cable D9 M F P N 600075 Extraction tool P N 1000852 Oxygen enrichment kit P N 312002 RS 232 harness MC front panel P N 1003446 Silicone tube 5 in x 1 8 in ID P N 580046 Tee fitting 1 8 in OD P N 311105 Test cable P N 580236 Test cable s n 10...

Page 177: ...laces Mobile Stand III 1041139 Upgrade kit DC MC PC s n 105999 and below NOTE The MC and PC boards in this kit are now manufactured with gold contacts 1004714GL Upgrade kit DC MC PC with PAV s n 105999 and below NOTE The MC and PC boards in this kit are now manufactured with gold contacts 1004707GL Upgrade kit PC MC s n 105999 and below NOTE This kit is now obsolete Install P N 1004714GL 1004713GL...

Page 178: ... has original tin contacts you must replace the PC and MC boards NOTE The PC board includes pressure transducer MT3 MT3 may include either one or two pick off ports if MT3 has two pick off ports connect tubing from the AFM module to the port closest to the MT3 on the board EPROM non PAV s n 106000 and above P N 1000353 EPROM PAV s n 106000 and above P N 1000354 PC board s n 106000 and above P N 10...

Page 179: ...Appendix A 1062788 BiPAP Vision Service Manual Respironics Inc A 9 Figure A 2 PAS PCS Board Obsolete This board is obsolete order Upgrade kit DC MC PC s n 105999 and below ...

Page 180: ... cover P N 103444 Nurse call remote alarm connector RS 232 connector Model and serial number s n Power cord clamp P N 1000751 Bottom enclosure P N 1004700 Oxygen module OM English P N 582142 International P N 1004977 Oxygen inlet P N 1014805 Oxygen regulator filter P N 582153 OM s n 299999 and below P N 1007547 OM s n 300000 and above Oxygen regulator bowl P N 582154 OM s n 299999 and below P N 10...

Page 181: ...Respironics Inc A 11 Figure A 4 Fuses Figure A 5 Inlet Filter Enclosure AC inlet P N 582138 Voltage selection Fuses 100 120 VAC P N 1000749 230 240 VAC P N 1000750 Inlet filter P N 582101 Inlet mesh filter P N 1000747 Inlet filter cover P N 1003444 ...

Page 182: ...1062788 Figure A 6 Circulation Fan Muffler Label diagnostic nurse call s n 106000 and above P N 1004703 Standoffs x4 P N 581526 Circulation fan muffler English 3 5 A rating P N 582155 English 4 0 A rating P N 1041193 International P N 1005618 Screws x4 included ...

Page 183: ... DC board P N 1004709 Rotary encoder P N 582148 Alarm battery P N 1012819 ICB cable P N 1004695 Ground connection LCD P N 582139 located under DC LCD mounting plate DC LCD mounting plate ICB cable P N 1004695 Rotary encoder connection Main power indicator cable connection Audible alarm connection LCD backlight voltage connection ...

Page 184: ...mponent Identification Blower Ground wire Air flow module AFM P N 582127 Audible alarm P N 1000743 Coiled pressure tubing P N 1000752 Main power indicator connector RS 232 harness s n 106000 and above Blower assembly P N 582128 Blower muffler P N 582129 Inlet filter enclosure assembly P N 582134 Oxygen flow module P N 1014433 ...

Page 185: ...ssembly Blower connection to PC board Blower mounting brackets x3 Blower assembly P N 582128 Heat sink Dampener Blower vibration isolators x3 P N 1003893 DC board Error LED ICB connector Audible alarm battery Rotary encoder Main power indicator connector LCD DC cable Touch pad cable Ground connection Front panel enclosure ...

Page 186: ...Appendix A A 16 BiPAP Vision Service Manual Respironics Inc 1062788 Figure A 12 DC Cable Connections DC LCD cable P N 1016457 DC EPROM Rotary encoder P N 582148 Touch pad ribbon cable DC board ...

Page 187: ...pironics Inc A 17 Figure A 13 DC Board Error LED DC board back view DC EPROM DC board component side Touch pad connector Audible alarm battery Power supply connection Rotary encoder connection Audible alarm connection ICB connector DC board P N 1004709 ...

Page 188: ...ost P N 1002902 Circulation fan P N 582132 Oxygen baffle P N 1004705 Transformer assembly P N 582152 AC inlet to transformer connection Blower ILFR coupler P N 1003728 Main power switch P N 582141 RFI filter part of AC inlet Inlet filter enclosure P N 582134 AC inlet P N 582138 Nurse call remote alarm harness P N 1004697 Oxygen flow module P N 1014433 ...

Page 189: ...ction to PSS PC board RS 232 harness s n 106000 and above P N 1004699 PSS board P N 582145 Circulation fan P N 582132 Transformer assembly P N 582152 Nurse call remote alarm harness P N 1004697 Power harness s n 106000 and above P N 1004706 ICB cable s n 106000 and above P N 1004695 Power harness PC DC s n 106000 and above P N 1004695 RS 232 cable s n 106000 and above P N 1004698 ...

Page 190: ...PRV P N 582147 Oxygen valve part of oxygen regulator manifold assembly P N 1014434 AFM thermistor AC inlet to transformer connection Oxygen module OM assembly English P N 582142 International P N 1004977 Oxygen valve connection Inline flow restrictor ILFR valve P N 582137 Oxygen flow module P N 1014433 OM PC ribbon cable part of cable kit P N 582131 ...

Page 191: ...rd Error LED OM PC ribbon cable part of cable kit P N 582131 Redundant pressure sensor PSS board P N 582145 Transformer assembly P N 582152 ICB cable s n 106000 and above P N 1004695 Audible alarm P N 1000743 Coiled pressure tubing P N 1000752 AFM to PC ribbon cable P N 1041313 PSS to PC power cable P N 1004706 ...

Page 192: ...y Transformer assembly P N 582152 Audible alarm P N 1000743 Coiled pressure tubing P N 1000752 ICB cable s n 106000 and above P N 1004695 Oxygen baffle P N 1004705 Air flow module AFM P N 582127 Oxygen regulator manifold assembly P N 1014434 Oxygen module OM assembly English P N 582142 International P N 1004977 Oxygen flow module P N 1014433 Inlet fitting DISS P N 1014805 ...

Page 193: ...connector PRV connector OM connector ICB connector Redundant pressure sensor Circulation fan current sense connector Patient pressure sensor Ambient pressure sensor ILFR valve connector EPROM Error LED Power supply connector Power supply to DC connector PC board s n 106000 and above P N 1004710 ...

Page 194: ...62788 Figure A 22 MC Board Error LED RS 232 connector RS 232 to DC connection Alarm PAL P N 582158 MC board s n 106000 and above P N 1004711 Nurse call remote alarm connector EPROM MC board battery P N 1006005 s n 106000 and above P N 1001988 s n 105999 and below ...

Page 195: ...en Baffle Figure A 24 Air Flow Module AFM Pressure regulation valve PRV P N 582147 Inline flow restrictor ILFR valve P N 582137 Oxygen baffle P N 1004705 Thermistor Tubing connects to redundant pressure sensor on PC board Pressure sensor Air flow module AFM P N 582127 Connects to PC board Flow sensor ...

Page 196: ...Board Gas flow direction arrow points toward front panel Oxygen baffle P N 1004705 Main power switch connector Power harness to PC connection Circulation fan power connector Circulation fan current sense cable connects to PC board PSS board P N 582145 Transformer connector Main power LED connects to front panel ...

Page 197: ...A 1062788 BiPAP Vision Service Manual Respironics Inc A 27 Figure A 27 Valve Identification IFLR and PRV Pressure regulation valve PRV P N 582147 Inline flow restrictor ILFR valve P N 582137 Connect to PC board ...

Page 198: ...n Service Manual Respironics Inc 1062788 Figure A 28 Transformer Assembly Connection to PSS Transformer assembly P N 582152 Metal retaining plate Connection to AC inlet Top insulation spacer Retaining nut Bottom insulation spacer ...

Page 199: ...r connection Nurse call remote alarm connection to MC board Ground stud AC inlet EMI filter P N 582138 Bottom enclosure P N 1004700 RS 232 harness s n 106000 and above P N 1004699 Circulation fan P N 582132 Main power switch P N 582141 Nursecall remote alarm harness P N 1004697 Connects to PSS Connects to PSS ...

Page 200: ...Appendix A A 30 BiPAP Vision Service Manual Respironics Inc 1062788 Figure A 30 Nurse Call Remote Alarm Cable Routing RS 232 cable Nurse call remote alarm cable MC board ...

Page 201: ...n module OM English P N 582142 International P N 1004977 Top enclosure P N 582150 AC inlet P N 582138 Bottom enclosure s n 105999 and below P N 582130 Inlet filter cover P N 103444 Main power switch P N 582141 Power cord clamp P N 1000751 Oxygen cover P N 1014859 Circulation fan muffler English 3 5 A rating P N 582155 English 4 0 A rating P N 1041193 International P N 1005618 ...

Page 202: ...999 and Below ICB cable s n 105999 and below Power supply connection Audible alarm connection Main power indicator LED connection Rotary encoder connection Audible alarm connection Rotary encoder connection LCD power connection ICB cable connection DCS board s n 105999 and below obsolete P N 582133 ...

Page 203: ...rd in Front Panel Enclosure s n 105999 and Below Error LED Power connector DCS board s n 105999 and below obsolete P N 582133 Main power connector LCD backlight connector Rotary encoder connector ICB connector ICB connector placement for upgraded units Touch pad connector DC LCD connector ...

Page 204: ...ICB connector placement for upgraded units part of upgrade kit P N 1004713 or 1000356 Touch pad connector EPROM non PAV s n 105999 and below P N 1000286 EPROM PAV s n 105999 and below P N 1003524 RS 232 test cable connector LCD backlight connector RS 232 test cable connector LCD backlight connector Audible alarm connector Audible alarm battery Rotary encoder connector Power connections ...

Page 205: ...04700 ICB cable s n 105999 and below P N 582159 PAS PCS board s n 105999 and below obsolete Blower assembly P N 582128 Blower muffler P N 582129 PSS board P N 582145 Bottom enclosure s n 106000 and above P N 1004700 Air flow module AFM P N 582127 Coiled pressure tubing P N 1000752 ICB cable s n 106000 and above P N 1004695 MC board s n 106000 and above P N 1004711G PC board s n 106000 and above P ...

Page 206: ...tlet pressure sensor PC error LED EPROM non PAV s n 105999 and below P N 1000286 EPROM PAV s n 105999 and below P N 1003524 Patient pressure sensor Error LED Outlet pressure sensor ICB cable connector RS 232 connector OM connector AFM connector Circulation fan current sense connector Blower connector Power connector ILFR valve connector PRV connector Note that PCS board is installed in non upgrade...

Page 207: ...nclosure P N 582134 Inlet filter foam strip P N 582134 Lithium battery P N 1001988 Power connection MCS board s n 105999 and below obsolete EPROM non PAV s n 105999 and below P N 1000286 EPROM PAV s n 105999 and below P N 1003524 Error LED RS 232 test cable connection ICB cable connection MCS to DCS ground wire Alarm PAL P N 582158 ...

Page 208: ...PAP Vision Service Manual Respironics Inc 1062788 Figure A 39 BiPAP Vision Front View Rotary encoder knob P N 582157 Front enclosure P N 582135 Touch pad English P N 582151 Universal symbols P N 1004712 German P N 582221 ...

Page 209: ...osure Figure A 41 LCD Assembly Bottom enclosure s n 105999 and below P N 582130 s n 106000 and above P N 1004700 PRV muffler P N 582156 Rubber feet x4 P N 582149 IMPORTANT Do not over tighten screws LCD assembly P N 582139 LCD backlight P N 1014432 Connects to touch pad Connects to DCS board ...

Page 210: ...Appendix A A 40 BiPAP Vision Service Manual Respironics Inc 1062788 Figure A 42 Blower Valve Coupler Blower valve coupler P N 1003728 ...

Page 211: ...re A 43 Test Cables Ribbon cable for upgraded s n 105999 and below P N 1004699 Test cable for s n 105999 and below P N 582161 Test cable for s n 106000 and above and upgraded s n 105999 and below P N 1004823 Vision service kit P N 1004823 includes all test cables shown here ...

Page 212: ...Appendix A A 42 BiPAP Vision Service Manual Respironics Inc 1062788 This page is intentionally blank ...

Page 213: ...4 3 8 in W 10 5 8 in H 40 6 cm L x 36 5 cm W x 27 cm H Weight 34 lbs 15 4 kg AC Input Voltage VAC 100 120 230 240 VAC single phase 10 Fuses 100 120 VAC T 4 0 A 5 20 mm time lag all s n P N 1041196 replaces P N 1000749 100 120 VAC T 3 5 A 5 20 mm time lag 2 for s n 100500 and above P N 1000749 115 VAC T 3 0 A 250 V in 1 in for s n 100499 and below P N 582100 220 VAC 230 VAC and 240 VAC T 1 6 A 250 ...

Page 214: ... current Normal pole no earth L2 300 µA Reverse pole no earth L2 300 µA Reverse pole no earth no L2 1000 µA Normal pole no earth no L2 1000 µA Insulation resistance 2 megaOhms Alarm sound 70 to 85 dBA peak at a distance of 1 meter Noise No specification various test instruments test procedures and device operating conditions produce varying results Output 4 to 40 cmH2O Dynamic regulation 2 cmH2O a...

Page 215: ...ing 3 or 10 of setting whichever is greater Pressure 1 cmH2O Volume 10 during stable conditions Flow 10 during stable conditions Spontaneous trigger Shape trigger leak flow volume 6 cc or above Spontaneous cycle Spontaneous expiratory threshold SET shape cycle IPAP maximum 3 0 s flow reversal NOTE See the BiPAP Vision Clinical Manual for more Auto Trak details Pressure range 50 to 100 psig Inlet f...

Page 216: ... cadmium NiCAD 3 6 VDC 110 mAh rechargeable Located on DCS board P N 1012819 Data retention battery original MCS board Lithium cell 3 VDC 300 mAh non rechargeable P N 1001988 Located on MCS board Data retention battery current MC board Lithium cell 3 VDC 300 mAh non rechargeable P N 1006005 Located on MC board ...

Page 217: ...P rise time 0 05 to 0 4 s 0 05 0 1 0 2 or 0 4 s Oxygen concentration O2 if oxygen module is installed 21 to 100 21 to 25 4 25 to 100 5 Alarm Range Increments High pressure 5 to 50 cmH2O 1 cmH2O Low pressure 0 disabled to 40 cmH2O 1 cmH2O Low pressure delay 0 to 60 s 1 s Apnea 0 disabled 20 to 40 s 0 disabled 20 30 40 s Low minute ventilation if alarm module is installed 0 disabled to 99 L min 1 L ...

Page 218: ... 1 cmH2O CPAP 0 to 50 cmH2O 1 cmH2O Rate 0 to 150 BPM 1 BPM Exhaled tidal volume VT 0 to 4000 mL 1 mL Minute ventilation MIN VENT 0 to 99 L min 1 L min Total leak TOT LEAK 0 to 300 L min 1 L min Patient leak PT LEAK 4 to 120 BPM 1 BPM Peak inspiratory pressure PIP 0 to 50 cmH2O 1 cmH2O Percent of patient triggered breaths PT TRIG 0 to 100 1 TI TTOT 0 to 100 1 ...

Page 219: ...Repairs and testing are supported only at the complete board level CAUTION To avoid damaging circuit boards do not attempt component level repairs The multilayer circuit boards and surface mount components require specialized equipment to manufacture and repair NOTE These schematics are proprietary and confidential Do not copy or disclose to third parties beyond the purpose for which they are inte...

Page 220: ...Appendix C C 2 BiPAP Vision Service Manual Respironics Inc 1062788 Figure C 1 Main Control MC Board Microcontroller Interface ...

Page 221: ...Appendix C 1062788 BiPAP Vision Service Manual Respironics Inc C 3 Figure C 2 MC Board Analog Outputs ...

Page 222: ...Appendix C C 4 BiPAP Vision Service Manual Respironics Inc 1062788 Figure C 3 MC Board Watchdog Real Time Clock ...

Page 223: ...Appendix C 1062788 BiPAP Vision Service Manual Respironics Inc C 5 Figure C 4 MC Board Error Line Control ELC Serial Interface ...

Page 224: ...Appendix C C 6 BiPAP Vision Service Manual Respironics Inc 1062788 Figure C 5 MC Board Power Supply Status ...

Page 225: ...Appendix C 1062788 BiPAP Vision Service Manual Respironics Inc C 7 Figure C 6 MC Board Bypass Circuitry ...

Page 226: ...Appendix C C 8 BiPAP Vision Service Manual Respironics Inc 1062788 Figure C 7 Display Control DC Power Conversion Circuitry ...

Page 227: ...Appendix C 1062788 BiPAP Vision Service Manual Respironics Inc C 9 Figure C 8 DC Battery and Indicator Circuitry ...

Page 228: ...Appendix C C 10 BiPAP Vision Service Manual Respironics Inc 1062788 Figure C 9 DC ELC Circuitry ...

Page 229: ...Appendix C 1062788 BiPAP Vision Service Manual Respironics Inc C 11 Figure C 10 DC Diagnostic Interface and Address Decoding ...

Page 230: ...Appendix C C 12 BiPAP Vision Service Manual Respironics Inc 1062788 Figure C 11 DC User Interface and Safe State Circuitry ...

Page 231: ...Appendix C 1062788 BiPAP Vision Service Manual Respironics Inc C 13 Figure C 12 DC Microcontroller Interface ...

Page 232: ...Appendix C C 14 BiPAP Vision Service Manual Respironics Inc 1062788 Figure C 13 DC Board Power Conversion Circuitry ...

Page 233: ...Appendix C 1062788 BiPAP Vision Service Manual Respironics Inc C 15 Figure C 14 DC Board Battery and Indicator Circuitry ...

Page 234: ...Appendix C C 16 BiPAP Vision Service Manual Respironics Inc 1062788 Figure C 15 DC Board ELC Circuitry ...

Page 235: ...Appendix C 1062788 BiPAP Vision Service Manual Respironics Inc C 17 Figure C 16 DC Board Diagnostic Interface and Address Decoding ...

Page 236: ...Appendix C C 18 BiPAP Vision Service Manual Respironics Inc 1062788 Figure C 17 DC Board Microcontroller Interface ...

Page 237: ...Appendix C 1062788 BiPAP Vision Service Manual Respironics Inc C 19 Figure C 18 Pressure Control PC Board CPU ...

Page 238: ...Appendix C C 20 BiPAP Vision Service Manual Respironics Inc 1062788 Figure C 19 PC Board Motor Controller ...

Page 239: ...Appendix C 1062788 BiPAP Vision Service Manual Respironics Inc C 21 Figure C 20 PC Board Pressure Sensors ...

Page 240: ...Appendix C C 22 BiPAP Vision Service Manual Respironics Inc 1062788 Figure C 21 PC Board Valve Drivers ELC ...

Page 241: ...Appendix C 1062788 BiPAP Vision Service Manual Respironics Inc C 23 Figure C 22 PC Board Bypass Pullup ICB Databus ...

Page 242: ...Appendix C C 24 BiPAP Vision Service Manual Respironics Inc 1062788 Figure C 23 Air Flow Module AFM ...

Page 243: ...Appendix C 1062788 BiPAP Vision Service Manual Respironics Inc C 25 Figure C 24 Oxygen Module OM ...

Page 244: ...Appendix C C 26 BiPAP Vision Service Manual Respironics Inc 1062788 Figure C 25 Power Supply Subsystem PSS ...

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