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Datex-Ohmeda 7100, Technical Reference Manual

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5 Troubleshooting

1006-0836-000     02/03     

5-17

5.4.3 Inaccurate volume

ventilation troubleshooting

* Water in harness is indicative of a leak in the tubing, connectors, or MIA/VMB pressure transducer. 
Be sure to leak check if it is determined that water is present within the harness. 

AB.43.147

Correct kinks or

leaks, replace

harness if

necessary.

*

Start

Zero Flow Sensor

Transducers and

Replace both

flow sensors

(whole cartridge)

Perform a

Pressure

Sensitivity

Calibration

Do Bit Counts on either

channel vary by more

than 10 from the initial

zero count?

Inspect for leaks

or water in

pneumatic lines

between flow sensor

and MIA/VMB.

Problem

Continues?

Yes

No

Sensor Problem:

Examine for defect or water

plug in lines. Ensure

customer is periodically

emptying integrated circle

module water trap

Water, leaks
or kinks?

Yes

Switch insp. and exp.

pneumatic connections

and repeat Pressure

Sensitivity Cal

Yes

No

Problem
moves to
other sensor
channel?

Replace
Harness

Yes

No

Inspect Breathing

Circuit check

valves: replace

seat and disk as

necessary

No

Problem

Continues?

No

Pressure Sensitivity

Cal Error:

Yes

Problem
Continues?

Yes

Check Valve Problem:

MIA/VMB Board Evaluation

No

Problem with
MIA/VMB indicated?

Yes

Replace

MIA/VMB

Replace
Harness

Perform

Calibrations and

Re-evaluate

Perform

Calibrations and

Re-evaluate

No

Refer to Section 5.4.4.A, "MIA board evaluation (Aestiva machine)."

or

Refer to Section 5.4.5.B, "VMB board evaluation (Aespire machine)."

Summary of Contents for 7100

Page 1: ...7100 Anesthesia Ventilator Technical Reference Manual ...

Page 2: ...tial unit number for identification Aestiva and Aespire are registered trademarks of Datex Ohmeda Inc Other brand names or product names used in this manual are trademarks or registered trademarks of their respective holders AAA F 12345 This alpha character indicates the year of product manufacture and when the serial number was assigned D 2000 E 2001 F 2002 etc I and O are not used ...

Page 3: ... in any manner nor are the contents to be disclosed to anyone without the express authorization of the product service department Datex Ohmeda Ohmeda Drive PO Box 7550 Madison Wisconsin 53707 2003 Datex Ohmeda Inc 7100 Anesthesia Ventilator used in Aestiva and Aespire Anesthesia Machines ...

Page 4: ...d to within or that abnormal or unusual circumstances may not warrant or suggest different or additional procedures or requirements This manual is subject to periodic review update and revision Customers are cautioned to obtain and consult the latest revision before undertaking any service of the equipment Comments and suggestions on this manual are invited from our customers Send your comments an...

Page 5: ...neral Description 2 2 2 2 7100 ventilator features 2 4 2 2 1 Safety features 2 4 2 3 7100 ventilator components 2 5 2 3 1 Control Module 2 6 2 3 2 Monitoring interface 2 7 2 3 3 Serial interface 2 7 2 3 4 The Pneumatic Vent Engine 2 8 2 4 Electronic and electrical components 2 9 2 4 1 The Aestiva 7100 ventilator functional blocks 2 9 2 4 2 The Aespire 7100 ventilator functional blocks 2 10 2 4 3 P...

Page 6: ...rvice checkout 3 2 3 1 1 Test the 7100 ventilator 3 2 3 1 2 Test the anesthesia machine 3 2 4 Tests and Calibration 4 1 Self tests 4 2 4 2 Service Mode 4 3 4 3 About Ventilator 4 4 4 4 Alarm Log 4 5 4 5 Error Log 4 6 4 6 Language 4 7 4 7 User Settings 4 8 4 7 1 Screen Contrast 4 8 4 8 System Configuration 4 9 4 9 Calibrations 4 11 4 9 1 O2 Calibrations 4 12 4 9 2 Zero Flow and Airway Sensors 4 13 ...

Page 7: ...em Leak Test 4 37 4 10 14 Test Pressure Limit Circuit 4 38 4 11 Upgrade Options 4 40 5 Troubleshooting 5 1 Troubleshooting instructions 5 2 5 2 Troubleshooting guide 5 2 5 3 Alarm and Error messages 5 4 5 4 Troubleshooting Flowcharts 5 15 5 4 1 Ventilator assessment process 5 15 5 4 2 No display troubleshooting 5 16 5 4 3 Inaccurate volume ventilation troubleshooting 5 17 5 4 5 B VMB board evaluat...

Page 8: ...va machine 7 11 7 3 2 Pneumatic Vent Engine in an Aespire machine 7 12 7 3 3 Pneumatic engine components Aespire machine 7 13 7 3 4 Pneumatic engine components Aestiva machine 7 14 7 3 5 Supply gas inlet filter Aestiva machine 7 15 7 3 6 Insp PEEP interface assembly and reservoir 7 16 7 3 7 Manifold and plate assembly 7 17 7 3 8 Pneumatic Engine Board and housing Aestiva machine 7 18 7 4 Monitorin...

Page 9: ...n 1 1 What this manual includes 1 2 1 1 1 Software versions 1 2 1 2 Standard service procedures 1 3 1 2 1 User s reference manuals 1 3 1 2 2 Technical reference manuals 1 3 1 2 3 Ventilator tests 1 3 1 3 Symbols used in the manual or on the equipment 1 4 ...

Page 10: ...or trouble shooting statements Datex Ohmeda Service Personnel are mandated by Company Policy to service electronic equipment to a board replacement level only Readcompletelythrougheachstepineveryprocedurebeforestarting the procedure any exceptions can result in a failure to properly and safely complete the attempted procedure Unless otherwise specified values in this manual are nominal Sections in...

Page 11: ...tion functions let Datex Ohmeda trained users and Datex Ohmeda service personnel perform ventilator setup functions tests calibration and measurements from the front panel display Normal operational tests calibration and troubleshooting can be performed onyour7100ventilatorwithoutremovingcomponentsfromthesystem Repair may require removing the ventilator components from the anesthesia machine w w w...

Page 12: ...t or in Datex Ohmeda manuals No one device or manual uses all of the symbols These symbols include m On power A Alarm silence button L Off power Alarm silence touch key Tec 6 l Standby j Type B equipment n Standbyorpreparatorystateforpartof the equipment J Type BF equipment M ON only for part of the equipment D Type CF equipment N OFF only for part of the equipment w Caution ISO 7000 0434 Direct c...

Page 13: ...his way up Suction bottle outlet o Lamp lighting illumination Cylinder z Lock Isolation transformer Z Unlock Linkage system U Close drain Risk of Explosion u Open drain remove liquid Low pressure leak test 134 C Autoclavable r Mechanical ventilation Í Not autoclavable R Bag position manual ventilation q Inspiratory flow Q Expiratory flow t O2 sensor connection O2 O2 Flush button REF Stock Number S...

Page 14: ... than 345 kPa 50 psi The primary regulator is set to pressure less than 414 kPa 60 psi Absorber on CO2 Bypass Option Absorber off CO2 Bypass active Systems with this mark agree with the European Council Directive 93 42 EEC for Medical Devices when they are used as specified in their Operation and Maintenance Manuals The xxxx is the certification number of the Notified Body used by Datex Ohmeda s Q...

Page 15: ...rical components 2 9 2 4 1 The Aestiva 7100 ventilator functional blocks 2 9 2 4 2 The Aespire 7100 ventilator functional blocks 2 10 2 4 3 Power Supply 2 11 2 4 4 Sealed Lead Acid Battery 2 11 2 4 5 Control Board 2 12 2 4 6 Monitoring interface 2 16 2 4 7 Serial interface 2 17 2 4 8 Pneumatic Vent Engine Board 2 18 2 5 Mechanical Subsystems 2 19 2 5 1 Supply Gas 2 19 2 5 2 Pressure Regulator 2 20...

Page 16: ...va anesthesia machine Flash ROM Software Upgrade Module Tec 6 AC Input Power Cord AC Inlet Module J1 6 3 5 2 4 AC Harness J2 1 Line Fan Monitoring Interface Assembly Control Module 7100 Control Board 6V Battery Monitoring Board System Standby On Switch O2 Flush Switch O2 Supply Switch Electrical Enclosure Speaker Membrane Switches Rotary Encoder Serial Adapter Cable Pneumatic Interface Cable Monit...

Page 17: ...h PEEP Safety Valve Serial Isolation Connector Board Vent Engine Board RS232 Backlight Universal Power Supply 6V 5AMax 5mm x 20mm T2L 250 V Power Cord Inside Machine AC Inlet with Circuit Breaker and Line Filter Surge or Inrush Board Fuses Line Filter Outlet Box Isolation Transformer Breathing System Ventilator Monitoring Board Bag Vent Switch ABS On Switch O2 Sensor Expiratory Flow Sensor ACGO Sw...

Page 18: ...nsation when Heliox gas is used The 7100 ventilator has minimum monitoring and alarms managed on the ventilator panel there is no other panel for safety relevant alarm management etc Ventilator hardware is regularly monitored by software tests An RS 232 serial digital communications port connects to and communicates with external devices An exhalation valve modulates flow in the pressure mode Pres...

Page 19: ... both machines The CM includes a Control Board CB an LCD Display a Keyboard with rotary encoder switch a Power Supply a backup battery 2 a Monitoring Interface Assembly MIA in an Aestiva machine or a Ventilator Monitoring Board VMB in an Aespire machine 3 a Serial Adapter Board SAB in an Aestiva machine or a Serial Isolation Connector Board SICB in an Aespire machine 4 a Pneumatic Engine PE with P...

Page 20: ...pply receives AC power from the anesthesia machine All the power necessary to operate the ventilator comes from the power supply The front enclosure includes 5 a control board controls operation of the ventilator 6 a front panel assembly The front panel assembly includes four submodules 7 an LCD display 8 a keyboard front panel 9 a rotary encoder 10 a speaker Figure 2 4 7100 ventilator control mod...

Page 21: ...s signal to indicate that the ABS breathing system is disengaged the Auxiliary Common Gas Outlet ACGO switch The MIA for the Aestiva 7100 ventilator is located under the front and rear subfloors of the breathing system below the bulkhead The VMB for the Aespire 7100 ventilator is located under the tabletop below the worksurface 2 3 3 Serial interface The Serial Adapter Board SAB in the Aestiva mac...

Page 22: ...osure includes the Pneumatic Vent Engine PE VE and a Pneumatic Vent Engine control Board PEB VEB The Pneumatic Vent Engine comprises the hardware that drives the ventilator bellows It includes a 2 micron inlet filter a pressure regulator a proportional inspiratory valve a mechanical over pressure relief valve a free breathing check valve a PEEP safety valve a supply pressure sense switch a proport...

Page 23: ...functional block diagram as used in an Aestiva machine Power Cord AC Inlet System Breaker Line Filter Inside Machine Fan Universal Power Supply 6V 5A max 9V 0 5A max 6 Volt Battery Control Board MCF5206e ColdFire Processor Memory and I O Decoding Flash SRAM EEPROM SCR Circuitry A D D A Converter Watchdog System Inspiratory Valve Control 10 VA limited PEEP Valve Control 10 VA limited 12 VDC Supply ...

Page 24: ...ock diagram as used in an Aespire machine Power Cord Inside Machine Fan Universal Power Supply 6V 5A max 9V 0 5A max 6 Volt Battery Control Board MCF5206e ColdFire Processor Memory and I O Decoding Flash SRAM EEPROM SCR Circuitry A D D A Converter Watchdog System Inspiratory Valve Control 10 VA limited PEEP Valve Control 10 VA limited 12 VDC Supply 10VA limited DC Supply Monitoring Battery Managem...

Page 25: ...Output V2 9 0 VDC 5 at 0 0 5 A w w w w WARNING High voltage in area of Osymbol Figure 2 7 7100 Ventilator power supply 2 4 4 Sealed Lead Acid Battery A sealed lead acid battery supplies battery backup for the 7100 ventilator Since it only provides power in case of a power failure the battery is in a float charge state most of the time The battery meets the following capacity to operate ventilator ...

Page 26: ...ll the Control Board s functions include Bus access control signals for all memory and peripheral devices Interrupt handling Clocks and timers for the system RS232C serial I O Baud rate generator for serial port Hard power up and soft watchdog error reset generation Data bus buffers Memory and I O decoding Program memory with memory stick software upgrade Safety Relevant Computing SRC Watchdog sys...

Page 27: ...for analog circuits 12V supply for the Monitoring Interface Assembly 12V supply for analog circuits Figure 2 9 Control board block diagram Power circuits SUPPLY MONITOR SELECTION P CH MOSFET SWITCHES ON STBY SWITCH VOLTAGE MONITOR OUTPUT TO A D CURRENT MONITOR OUTPUT TO A D 5V FAN 200mA MAX 5V 4 1 7A MAX DIGITAL 3 3V 4 0 2A MAX CPU 5V 700mA BACK LIGHT SUPPLY LCD CONTRAST ADJUST 24V ADJUSTABLE 12V ...

Page 28: ... O2_DISCONNECT 12V_10VA BAG VENT SW1 SW2 SW3 INSP_RET EXP_RET O2_RET O2 IA Insp IA Exp IA Noise Filter AGND DGND 30 Hz 3 Pole Filter Pneumatic Engine Board Connector 8 Ch MUX 4 096 Volt Reference Airway IA Noise Filter Dual 12 Bit Serial DAC Flow Valve Driver PEEP Valve Driver Safety Valve Driver Voltage Monitor VDD VDD2 VBUS VDD_FAIL VDD2_FAIL VBUS_FAIL SAFETY_VLV_ON P_PAT P_PAT_RET FLOW_DR PEEP_...

Page 29: ...12K X 16 SED1353 VIDEO CONTROLLER FILTER FERRITE BEADS VIDEO SRAM 32K X 8 DS1232 WATCHDOG RESET LCD BACKLIGHT INVERTER A1 A19 D16 D31 A0 A14 D24 D31 SYSTEM DATA BUS ADDRESS BUS INPUT1 74HCT257X2 D24 D31 D24 D31 LCD Display Connector CCFL Backlight Connector LM4862M AUDIO AMP Speaker Connector I2C EEPROM 2K X 8 VA0 VA15 VD0 VD7 INPUT2 74HCT257X2 RS232 DRIVER ADM202E Monitoring Board Connector From ...

Page 30: ...hrough the breathing system and the machine proper transfers power and signals to and from the Control Board Figure 2 12 Breathing Circuit Monitoring Interface Assembly MIA Control Board Connector O2 Sensor Connector ACGO Connector Switch Flow Sensor Connector 5V Regulator 6 0V Regulator 6 0V Inverter O2 Amp O2 Buffer Insp Buffer Exp Buffer EEPROM Clock Receiver EMI Filters and ESD Suppressors EMI...

Page 31: ...igital 5V levels isolate them through optocouplers then change them back to RS232 levels before sending them to the outside world The external communications signals conform to standard RS 232C signal standards COM 1 is a 15 pin female D connector It s configured for Data Communications Equipment DCE Pin 6 receive data Pin 13 transmit data Pin 5 signal ground In addition to the above the SICB in t...

Page 32: ...ratory Flow Valve PEEP Valve PEEP Safety Valve The board routes the Supply Pressure Switch signals to the control board Airway Pressure Transducer The PEB includes a 5VA regulator to power the airway pressure transducer circuitry The circuits provide EMI filtering signal amplification and buffering 7100 CONTROL BOARD CONNECTOR FLOW VALVE CONNECTOR PEEP VALVE SAFETY VALVE LOW SUPPLY PRESSURE SWITCH...

Page 33: ...ve Pressure sense switch Mechanical Overpressure Valve MOPV Bleed resistor Free breathing valve Exhalation valve Breathing circuit flow sensors Bellows assembly 2 5 1 Supply Gas Supply gas can be selected from O2 or Air is supplied from the anesthesia machine at a pressure of 241 to 690 kPa 35 to 100 psi This supply gas is filtered through the 2 micron filter to remove any minute particles of cont...

Page 34: ...trol board to supply drive gas to the outer chamber of the bellows assembly at a rate determined by ventilator settings and sensor signals The control valve modulates the incoming 172 kPa 25 psi drive gases to an output from 0 to 70 liters per minute at pressures ranging from 0 to 100 cm H2O REGULATOR 25 psi 2 MICRON INLINE INLET FILTER SUPPLY GAS 35 100 psi TEST POINT 0 70 L min REGULATOR 25 psi ...

Page 35: ...y to close the valve Pilot control of the exhalation valve is done with PEEP Control Valve A Supply Pressure Switch B and the PEEP Safety Valve C Figure 2 13 Exhalation manifold BLEED RESIST0R EXHALATION VALVE BREATHING CIRCUIT BELLOWS EXHAUST TO SCAVENGING SYSTEM REGULATOR 25 psi INSPIRATORY CONTROL VALVE VENT TO ROOM AMBIENT ATMOSPHERE 2 MICRON INLINE INLET FILTER SUPPLY GAS 35 100 psi PRESSURE ...

Page 36: ... is the interface between drive gas and the patient circuit in the breathing system The pressure relief valve or pop off valve in the bellows assembly limits pressure in the patient circuit Excess fresh gas is discharged through the exhalation valve into the gas scavenging system The Bellows Pressure Relief Valve PRV is normally closed maintaining approximately 1 5 cm H2O in the breathing circuit ...

Page 37: ...e Breathing Valve The ventilator is programmed to supply a specified number of breaths per minute to the patient If in between one of these programmed cycles the patient needs a breath spontaneous the free breathing valve permits the patient to inhale The free breathing valve is closed on mechanical inspiration R INSPIRATORY CONTROL VALVE TEST POINT MECHANICAL OVERPRESSURE RELIEF 110 cm H2O ATMOSP...

Page 38: ...system expiratory check valve Feedback from the expiratory flow sensor is used to supply signals for the expiratory tidal volume monitoring INSPIRATORY O2 MONITOR EXP FLOW XDUCER INSPIRATORY 02 BULKHEAD CONNECTOR PATIENT LUNG EXPIRATORY FLOW SENSOR INSPIRATORY FLOW SENSOR DRAIN CABLE TO VENTILATOR CONTROL MODULE AIRWAY PRESSURE SENSE FLOW SENSOR MODULE EXPIRATORY CHECK VALVE INSPIRATORY CHECK VALV...

Page 39: ...1006 0836 000 02 03 3 1 3 Post Service Checkout In this section 3 1 Post service checkout 3 2 3 1 1 Test the 7100 ventilator 3 2 3 1 2 Test the anesthesia machine 3 2 ...

Page 40: ... in patient injury w WARNING All components and accessories must be connected correctly All hoses and cables must be properly connected before returning the anesthesia machine to clinical use Failure to do so may result in patient injury 3 1 1 Test the 7100 ventilator Perform the Preoperative Checkout Procedure that applies in Part 2 of the Aestiva 5 7100 User s Reference Manual in Part 2 of the S...

Page 41: ...ttings 4 8 4 7 1 Screen Contrast 4 8 4 8 System Configuration 4 9 4 9 Calibrations 4 11 4 9 1 O2 Calibrations 4 12 4 9 2 Zero Flow and Airway Sensors 4 13 4 9 3 Adjust Drive Gas Regulator 4 14 4 9 4 Airway Sensor Span 4 15 4 9 5 PEEP Valve Calibration 4 17 4 9 6 Inspiratory Valve Calibration 4 18 4 9 7 Pressure Sensitivity 4 20 4 9 8 Service Calibrations Required 4 22 4 10 Diagnostic Tests Tools 4...

Page 42: ...t PEEP Safety Valve test If one or more of these tests fail the display provides a readout of the problem Continuous tests These tests are run continuously during normal operation and alarms are associatedwitheachtest Afailurecausesanalarmtodisplayonthescreenin the alarm display area Supply voltage checks Battery voltage checks Periodic tests These tests are run every 30 seconds during normal oper...

Page 43: ... confirm the selection Ifthemachineisalreadyinnormaloperation settheBag Ventswitch toBag Then presstheVT Pinsp thePEEP andthemenuswitchesat the same time to reset the software powerup Push and hold the adjustment knob until the Service Confirmation menu appears Note Volume alarms must be in standby From this menu you can Go to the Service Modes Return to Normal Operations Service Modes Menu The Se...

Page 44: ...y and displays the total on time of the system Software Version Software Date Hardware ID Total System On Time CurrentBootupCount Thebootupcountisincrementedeachtime the machine is turned on The bootup count is not overwritten when new software is loaded However if a new control board is installed the bootup count will reflect the value stored in the EEPROM of the new board ...

Page 45: ...pecific alarm condition has occurred during the noted bootup count The bottom left corner of the screen displays additional information Bootup Count Last Cleared Current Bootup Count Scroll Data To view all the log entries select Scroll Data Then use the control knob to scroll through the entries To exit Scroll Data press the control knob Clear Alarm Log Toclearthealarmlog select ClearAlarmLog The...

Page 46: ...or took place The error address and software revision are important pieces of information to note if technical support is required The bottom left corner of the screen displays additional information B B B Bo o o oo o o ot t t tu u u up p p p C C C Co o o ou u u un n n nt t t t L L L La a a as s s st t t t C C C Cll l le e e ea a a ar r r re e e ed d d d C C C Cu u u ur r r rr r r re e e en n n nt...

Page 47: ...n English The Language menu is used to set the specific language for normal operation The7100ventilatorsupportsthefollowinglanguages Thelanguageselections appear in language specific text English Español Spanish Deutsch German Polski Polish Português Portuguese Français French Italiano Italian Čeština Czech Magyar Hungarian Nederlands Dutch Greek Russian Japanese Chinese The language setting is st...

Page 48: ... used to adjust the range to normalized values 4 7 1 Screen Contrast The range from minimum to maximum screen contrast varies for individual displays The Screen Contrast menu is used to tailor the range so that the screen image is still visible at minimum and maximum contrast settings for the user Remarks The Minimum Screen Contrast and the Maximum Screen Contrast settings set the range of contras...

Page 49: ...thespecific altitude where each machine is located Altitudesettingsrangefrom 400to3600metersinincrementsof100meters The setting is saved in EEPROM the default value is 300 meters Select drive gas Either O2 or Air can be used as the drive gas for the ventilator s pneumatic engine To compensate volume calculations for the specific density of the drive gas used the drive gas selection on this menu mu...

Page 50: ... Automatic User Adjustable System Type Aestiva Currently the 7100 ventilator is available in the Aestiva machine and the Aespire machine Since the 7100 ventilator functions identically in either machine theSystemTypesettingisdisplayedas Aestiva Thecursorwillskip over this selection Flow Sensor Correction Lead Filter Off Lead Filter On This setting relates to the MIA VMB board For current MIA VMB a...

Page 51: ...curacy Remarks You can enter these procedure in any order However the procedures appear in a logical sequence Some of the latter procedures require you to have completed some of the earlier procedures Additionally these procedures require you to disassemble and reassemble parts of the breathing system Accordingly the procedures are arranged to minimize the disassembly and reassembly process ...

Page 52: ...the O2 sensor is exposed to room air 21 O2 If this A D value is not within the tolerance the calibration fails If the calibration passes the A D value is stored in the EEPROM The sensor must be calibrated at 21 O2 before calibration at 100 O2 Remarks Remove the O2 sensor from the breathing system and expose it to room air The displayed reading should be 21 2 to pass the calibration requirements Pl...

Page 53: ...o values are stored in the EEPROM If the A D values are not within the correct tolerance the calibration fails If the calibration fails the screen will display the reason for the failure Remarks Ensurethattheflowsensormoduleisdisconnectedfromthebreathingsystem Fail indicates a problem in the MIA VMB Inspiratory Flow and Expiratory Flow transducers or the PEB VEB Airway Pressure transducer Check th...

Page 54: ...ough the drive gas regulator for proper calibration Remarks The drive gas regulator should provide a constant gas input pressure of 172 kPa 25 psi You can verify this pressure by attaching a pressure test device to the regulator pressure port shown below and adjusting the regulator to 172 17 2 kPa 25 0 25 psi Regulator pressure port Aestiva machine Aespire machine ...

Page 55: ... the exhalation valve bellows assembly and bag arm Replace main manifold close control panel breathing circuit module and flow sensor module 3 Attach a patient circuit tube to the Calibrated Flow Orifice test tool 4 Insert the Calibrated Flow Orifice into the manifold PEEP port 5 Connect a pressure sensing tee to the inspiratory flow patient connection 6 Connect the open end of the patient circuit...

Page 56: ...e into the manifold PEEP port 7 Connect a pressure sensing tee to the inspiratory flow patient connection 8 Connect the open end of the patient circuit tube to the flow port of the pressure sensing tee 9 Connect a manometer to the pressure sensing port of the tee connector Calibration procedure 1 Select Set PEEP Valve 2 Adjust the PEEP Valve counts until the manometer reads 100 0 3 cm H2O this wil...

Page 57: ... calibration menu select Next PEEP Valve Cal Menu 2 Establish drive gas for the ventilator 3 Set all flow controls to minimum 4 To start calibration select Start PEEP Valve Calibration Note This calibration procedure may take up to 20 minutes The calibration status and progression bar are displayed at the bottom of the screen If the calibration fails the screen will display the reason for the fail...

Page 58: ...ow housing Remove the bellows and bellows mounting rim as an assembly Remove the pressure relief valve Replace the bellows housing Note If you have just completed the PEEP Valve Calibration remove these parts from the bellows assembly and then reassemble the breathing system 2 Attach a patient circuit tube to the Calibrated Flow Orifice test tool 3 Connect the open end of the patient circuit tube ...

Page 59: ...e breathing system to the Airway Pressure transducer The calibrated orifice provides a precise restriction to the flow The calibration routine opens the Inspiratory valve stepwise and reads the resulting pressure at the airway pressure transducer The inspiratory flow displayed on the screen for this test is a calculation of the pressure measured by the airway pressure transducer times a constant b...

Page 60: ...ure point 70 cm H2O It uses these five pressure points along with the zero offsets to find the pressure sensitivity If the calibration passed the five pressure sensitivity points are stored in the EEPROM Ifthecalculationsforthepressuresensitivityarenotwithinthecorrect tolerance the calibration fails If the calibration fails the screen will display the reason for the failure Calibration procedure 1...

Page 61: ...seconds select Save Value Adjust the APL and fresh gas flow until the real time pressure reads a stable 20 cm H2O after 5 seconds select Save Value Adjust the APL and fresh gas flow until the real time pressure reads a stable 40 cm H2O after 5 seconds select Save Value Adjust the APL and fresh gas flow until the real time pressure reads a stable 60 cm H2O after 5 seconds select Save Value Real Tim...

Page 62: ...ill be removed Remarks The normal operation Service Calibration w alarm message is only removed when all the required settings or calibrations are completed The Set Service Calibration W menu item is used by the factory to activate the ServiceCalibrationw alarmandrequirethatallsettingsandcalibrations be performed when the machine is set up for operation at its permanent location You can reset the ...

Page 63: ...4 Tests and Calibration 1006 0836 000 02 03 4 23 4 10 Diagnostic Tests Tools The Diagnostic Tests Tools menu includes a selection of items that look at individual subsystems of the 7100 Ventilator ...

Page 64: ...isplay A D Channels menu displays the measured values for each of the A D channels Remarks The Counts and Actual values are typical for a calibrated system with baseline inputs to the various sensors Refer to the following table for additional details for each of the displayed channels ...

Page 65: ...s are determined during O2 calibration Flow Valve Volt 0 0 4095 0 000 Volts 0 to 6 140 Volts PEEP Valve Volt 0 0 4095 0 000 Volts 0 to 6 140 Volts Flow DAC Feedback 0 0 4095 0 000 Volts 0 to 4 095 Volts PEEP DAC Feedback 0 0 4095 0 000 Volts 0 to 4 095 Volts 1 225 Volt Ref 1 225 1214 1235 1 225 Volts 1 214 to 1 235 Volts 12V 10VA Supply 2041 11 975 Volts 10 5 to 13 5 Volts 12V 10VA Test Out of Ran...

Page 66: ... in Aespire machines Canister Status Closed or Open Closed by default in Aespire machines Control Panel Cover Closed or Open refers to removal of ABS on Aespire machines Bag Vent Status Vent or Bag Pneumatic switches O2 Supply Pressure Pressure or No Pressure O2 Flush Off or On Supply Pressure Pressure or Low Pressure drive gas Electronic switches O2 Sensor Status Connected or Disconnected Circuit...

Page 67: ...olts Remarks While the battery is charging the battery current is displayed as negative current If the battery has been on charge for a long time 8 hours minimum and you do not get a Battery Charged display The battery has failed and you should replace it When the battery is discharging the battery current is displayed as positive current Disconnect the power cord and observe the discharge current...

Page 68: ...mark When the button is released the button icon should be reverse highlighted After testing all the buttons and the control knob select Test Encoder Knob Turn to test the encoder As you turn the encoder knob verify that each click of the encoder in the clockwise direction increments the clockwise total each click of the encoder in the counterclockwise direction increments the counterclockwise tot...

Page 69: ... 4 of this manual MOPV pressure relief valve test It is used to check primary regulators as detailed in section 6 of the anesthesia machine Technical Reference Manual Set Inspiratory Valve The flow through the Inspiratory Valve can be set from Off to 70 L min in 0 25 L min increments Set PEEP Valve The PEEP Valve can be set from Off to 100 cm H2O in 0 5 cm H2O increments Set PEEP Safety Valve The ...

Page 70: ...s a certain bit pattern to a block of memory and then reads that block of memory If the bit pattern that it wrote is not the same bit pattern that it reads back the test fails Display RAM Test The software tests all of the display RAM memory via a walking bit pattern test It writes a certain bit pattern to a block of memory and then reads that block of memory If the bit pattern that was written is...

Page 71: ...nd notes whether the test passed or failed If the EEPROM test fails replace the control board EEPROM Test The software tests all of the EEPROM memory via a bit pattern test It writes a certain pattern to a block of memory and then reads that block of memory If thebitpatternthatwaswrittenisnotthesameasthebitpatternreadback the test fails ...

Page 72: ...tup it only tests serial port related components on the control board Each test routine sets up the serial port circuits so transmit data is echoed directly back to the receive circuits The test fails if the data sent out is not equal to the data received Remarks If only the internal test fails replace the control board If both tests fail Check the harness connections between the control board and...

Page 73: ...ction of the control board It is used to power the digital circuits throughout the ventilator If the 5 Volt supplyfails theventilatorwillsoundacontinuousalarmtonewhenthesystem switch is turned on To Test the 5V Fail Alarm follow the directions on the screen Remarks If the alarm tone does not sound replace the control board ...

Page 74: ...channel for Flow DAC Feedback is recorded If the A D for the Flow DAC Feedback is not within the correct tolerance the test fails Remarks A failure can be caused either by the control circuit or a flow valve malfunction To check the control circuit 1 Go to the Valves Test Tool menu 2 Set the Inspiratory Valve to 0 25 L min The Flow Valve Volt reading should increase slightly 3 If the reading jumps...

Page 75: ... the A D channel for PEEP DAC Feedback is recorded If the A D for the Flow DAC Feedback is not within the correct tolerance the test fails Remarks A failure can be caused either by the control circuit or a PEEP Valve malfunction To check the control circuit 1 Go to the Valves Test Tool menu 2 With the PEEP Valve set to Off the PEEP Valve Volts should read near 0 000 Volts 3 If the reading is high ...

Page 76: ...essure the PEEP Safety Valve test fails Remarks A failure can be caused either by the control circuit or a PEEP Safety Valve malfunction To check the control circuit 1 Go to the Valves Test Tool menu 2 Set the PEEP Safety Valve to Open and listen for a click in the area of the pneumatic engine 3 If you do not hear a click each time the PEEP Safety Valve is opened the control circuit to the PEEP Sa...

Page 77: ...l on their own weight part of machine checkout procedure The Breathing System Leak Test allows you to more precisely test the ventilator portion of the breathing system for leaks Remarks By using the patient circuit to establish a closed loop you can measure the leak rate The leak rate is the fresh gas flow needed to maintain 30 cm H2O The system should have a leak rate 200 mL min Note regarding p...

Page 78: ...lve Remove flow sensor module breathing circuit module bag arm open control panel bellows assembly main manifold and exhalation valve 2 Reassemble the breathing system leaving out the exhalation valve bellows assembly and bag arm Replace main manifold close control panel breathing circuit module and flow sensor module 3 Set the Bag Vent switch to Vent 4 Attach a patient circuit tube to the Calibra...

Page 79: ...ted Flow Orifice for the Aestiva however the Aestiva orifice has a larger outside dimension that does not fit through the Vent Engine cover plate To use the Aestiva orifice with an Aespire machine you must remove the cover plate to access the manifold port 7 Insert the Calibrated Flow Orifice into the manifold PEEP port 8 Connect the open end of the patient circuit tube to the inspiratory flow pat...

Page 80: ...customer has purchased Remarks Select each digit in the Enter Key to Install Upgrade s field and rotate the control knob to select the corresponding digit in the Key Code When you have entered all the digits select Confirm Key And Upgrade After verifying the Key Code match to the Control Board ID the menu will display the newly installed features Note If the ventilator Key Code is changed the new ...

Page 81: ...sult in patient injury In this section 5 1 Troubleshooting instructions 5 2 5 2 Troubleshooting guide 5 2 5 3 Alarm and Error messages 5 4 5 4 Troubleshooting Flowcharts 5 15 5 4 1 Ventilator assessment process 5 15 5 4 2 No display troubleshooting 5 16 5 4 3 Inaccurate volume ventilation troubleshooting 5 17 5 4 5 B VMB board evaluation Aespire machine 5 19 5 4 6 No ventilation troubleshooting 5 ...

Page 82: ...power supply 3 Front panel keyboard LED is part of it 4 Control board 1 Check replace fuses 2 Check power supply output 3 Check ribbon cable connection replace front panel keyboard 4 6V R11 to LED replace Control Board The LED is powered by the 6V supply from the universal power supply Turn system switch to On If ventilator operates from the backup battery check 1 and 2 If ventilator operates from...

Page 83: ...the circuitry Symptom Probable cause Action Fan doesn t run Everything else OK Theproblemismostlikely the fan or control board 1 Fan harness 2 Fan 3 Control board 1 Ensure fan harness is plugged in 2 Replace fan 3 Replace control board Power for the fan derived from V V V VB B B BU U U US S S S comes from the Power Section of the control board Symptom Probable cause Action No alarm audio Alarm mes...

Page 84: ...alfunction Ventilate manually Monitoring is not reliable Replace Control Board 12V Analog Out of Range Error Minimum Shutdown Ventilator malfunction Ventilate manually Monitoring is not reliable Replace Control Board 12V 10VA Test Out of Range Error Minimum Shutdown Ventilator malfunction Ventilate manually Monitoring is not reliable Replace Control Board Absorber Panel Open User Alarm The top pan...

Page 85: ...lure High User Alarm Battery voltage 8 V for 10 seconds System is operational but may fail on battery if mains power is lost If persists replace Battery Control Board Battery Failure Low User Alarm The battery voltage is too low 2 V to supply the system if power fails System is operational but may fail on battery if mains power is lost Leave the system plugged in to charge the battery If persists ...

Page 86: ...pect one way valves Replace flow sensor module with the spare Check the condition of the flow sensor and its tubing Circuit Leak Audio Off User Alarm Control setting on the Alarm Settings menu This message tells you that the audio alarm for circuit leaks was turned off Connect O2 Sensor User Alarm The O2 sensor is not connected to the cable Connect the sensor If persists Check O2 sensor cable MIA ...

Page 87: ...h O2 User Alarm O2 alarm high limit setting Is the limit set correctly What is the O2 flow Did you just push Flush Does the sensor see 21 O2 in room air Calibrate O2 sensor Replace O2 sensor High Paw User Alarm Paw is greater than Plimit The ventilator cycles to expiration Are Plimit and other controls set correctly Look for blockages Check patient connection High E User Alarm The minute volume is...

Page 88: ... Alarm The system does not recognize the type of circuit module installed Normally the system uses the ID tabs to identify circuits Make sure the module is correctly installed Look for broken ID tabs or tape on the tabs If persists check Circuit Identification Board Harness to MIA VMB MIA VMB Cable to CB J12 Low Battery Voltage User Alarm Voltage is 5 65V while using battery power Manually ventila...

Page 89: ...ntilator malfunction Ventilate manually Monitoring is not reliable Replace Control Board Memory RAM Failure Error Minimum Shutdown Ventilator malfunction Ventilate manually Monitoring is not reliable Replace Control Board Memory Redundant Storage Failure Error Minimum Shutdown Ventilator malfunction Ventilate manually Monitoring is still available Replace Control Board Memory Video Failure Error M...

Page 90: ...ck O2 flush switch Cable to SAB SICB SAB SICB Cable to CB J11 O2 Sensor Out of Circ User Alarm O2 sensor not installed in breathing circuit module Sensor not measuring gas in breathing circuit Install a breathing circuit module and an O2 sensor O2 Mon Disabled User Alarm An Oxygen cell has been connected to a non active ventilator monitoring feature The Oxygen Monitoring feature is not active on t...

Page 91: ... Failure Error Minimum Monitoring Indicates a higher than allowed current draw on the PEEP Safety Valve Ventilate manually Check Replace PEEP Safety Valve PEEP Safety Valve harness PEB VEB Cable to CB J14 Control Board PEEP Safety Valve Failure Error Minimum Monitoring Indicates that the powerup test of the PEEP Safety Valve failed Ventilate manually Check Replace PEEP Safety Valve PEEP Safety Val...

Page 92: ... the patient circuit to the ACGO Note The bag arm will not ventilate a patient at the auxiliary outlet Software Error Error Minimum Shutdown Indicates that a software error has occurred Ventilate manually Monitoring is not reliable Replace Software Control Board Software Watchdog Failure Error Minimum Shutdown Ventilator malfunction Ventilate manually Monitoring is not reliable Replace Control Boa...

Page 93: ...ate manually Monitoring is not reliable Replace Control Board Ventilate Manually User Alarm A severe malfunction prevents mechanical ventilation and monitoring Other alarms may also occur Ventilate manually Use a stand alone monitor Cycle system power On Standby On If the alarm clears restart mechanical ventilation Replace Control Board Verify Low E Limit User Alarm The audible circuit leak alarm ...

Page 94: ... sensor has been connected to a non active ventilator monitoring feature The Volume Compensated Delivery feature is not active on this system Service Mode System Configurations VT Not Achieved User Alarm Tidal volume measured by inspiratory flow sensor is less than set value 6 breaths in a row after the first minute of mechanical ventilation Adjust controls to supply adequate tidal volumes Check I...

Page 95: ...osis Achieved Done Alarms of Type Patient Circuit Leak System Leak Bellows Falls or Leak detected ALARMS SYMPTOMS Yes Yes No Proceed to Inaccurate Volume Ventilation Troubleshooting Section 5 4 3 Yes Alarms of Type Vt Compensation Off Delivered Volume Mismatch Check Flow Sensors Insp Reverse Flow Exp Reverse Flow System Leak Inaccurate Ventilation Yes No Proceed to No Ventilation Troubleshooting S...

Page 96: ...roblem Continues Was there single audio tone on power up Is there a continuous or cycling audio tone Replace CPU PCB No Yes No No Is AC LED Power light On Remove Serial Board Cable and perform continuity check on System On Off switch lines No Yes Replace CPU PCB Problem Continues Disconnect Power Supply to CPU Cable and determine if both 9v and 6v power is present 9v and 6v present Replace Power S...

Page 97: ... MIA VMB Problem Continues Yes No Sensor Problem Examine for defect or water plug in lines Ensure customer is periodically emptying integrated circle module water trap Water leaks or kinks Yes Switch insp and exp pneumatic connections and repeat Pressure Sensitivity Cal Yes No Problem moves to other sensor channel Replace Harness Yes No Inspect Breathing Circuit check valves replace seat and disk ...

Page 98: ...unts observed on the inspiratory flow transducer channel as compared to step 2 negative polarity There may be some variation in the last digit of the counts try to pick the average value 8 Stop the inspiratory flow Refer to Figure 9 7 9 Swap the inspiratory channel pneumatic connections white to black black to white 10 Repeat steps 6 through 8 11 Move the two inspiratory connections to the expirat...

Page 99: ...h the inspiratory flow sensor 10 Record the change in bit counts observed on the inspiratory flow transducer channel as compared to step 2 negative polarity There may be some variation in the last digit of the counts try to pick the average value 11 Stop the inspiratory flow Refer to Figure 9 9 12 Swap the inspiratory channel pneumatic connections white to black black to white 13 Repeat steps 9 th...

Page 100: ...roblem 1 Check electrical connections 2 Attempt inspiratory flow valve calibration 3 Replace inspiratory valve if necessary and recalibrate Setup for PEEP Valve Calibration but use the Valve test tool menu With Peep valve set to 100 cm H2O Yes Pressure 90 110 cm H2O 1 Examine Exhalation Valve and exhalation valve diaphragm and reassemble breathing circuit 2 Reduce PEEP setting to 70 cm H2O 3 Place...

Page 101: ...ag and Vent Modes No Yes No Yes No Intrinsic PEEP in Vent Mode Exhalation Pop off Valve Problem 1 Check bellows pop off valve for accurate assy or sticking 2 Check exhalation valve for accurate assy or sticking diaphragm 3 Check for obstructions in bellows base upstream of exhalation valve 4 Check for obstruction downstream of exhalation valve in connecting tube or Y manifold Yes APL Valve Problem...

Page 102: ...Notes 5 22 02 03 1006 0836 000 ...

Page 103: ...he entire anesthesia machine The remaining sections Sections 6 2 and 6 3 detail select maintenance procedures that apply only to the 7100 Ventilator 6 1 Maintenance Schedule 6 2 6 2 Free breathing valve maintenance 6 3 6 3 MOPV pressure relief valve test 6 4 6 3 1 Test setup 6 4 6 3 2 Test procedure 6 4 ...

Page 104: ...ts Wear sterile rubber gloves Contamination can spread to you and others w w w w WARNING Obey infection control and safety procedures Used equipment may contain blood and body fluids 6 1 Maintenance Schedule The 7100 Ventilator is an integral component of the Aestiva 5 7100 anesthesia machine and the S 5 Aespire anesthesia machine Refer to Section 5 Maintenance in the respective anesthesia machine...

Page 105: ...flapper valve 3 If necessary clean the new flapper valve with alcohol 4 Pull the tail C of the new free breathing valve flapper through the center of the valve seat until it locks in place 5 Trim the tail flush with outside surface of the valve seat refer to the removed flapper 6 Replace the O ring D Lubricate with a thin film of Krytox 7 Hand screw the assembly into the interface manifold 8 Reass...

Page 106: ... drive pressure port with a stopper Figure 6 2 Occluding the inspiratory flow port 6 3 2 Test procedure 1 Set the system switch to On and enter the Service Mode 2 Select Diagnostic Tests Tools select Valves Test Tool 3 Select Set Inspiratory Valve and activate a flow of 10 L min 4 Carefully listen for the MOPV relief weight to be relieving and popping off from its seat a purring sound This indicat...

Page 107: ...onents Aestiva machine 7 14 7 3 5 Supply gas inlet filter Aestiva machine 7 15 7 3 6 Insp PEEP interface assembly and reservoir 7 16 7 3 7 Manifold and plate assembly 7 17 7 3 8 Pneumatic Engine Board and housing Aestiva machine 7 18 7 4 Monitoring Interface Assembly MIA in an Aestiva machine 7 19 7 5 Serial Adapter Board SAB and Power Cord Harness 7 20 w w w w WARNING Post Service Checkout is req...

Page 108: ... the Software Memory Stick A with contacts facing forward into the upgrade slot B of the Control Module 3 Set the system switch to On 4 Follow the instructions on the screen to complete the installation 5 Set the system switch to Standby 6 Remove the Software Memory Stick 7 Perform the preoperative checkout procedure A B ...

Page 109: ...the replaced control board control module 2 Enable Disable the appropriate ventilator settings in the Service Mode System Configuration menu Section 4 8 to match the replaced control board 3 Install new control board configuration label on back of control module with Control Board BID number and Feature KEY code The replacement control module has the label already attached 143AB99 143AB99 Replacem...

Page 110: ...he fan filter To replace the fuses A first remove the power cord retainer B and the power cord C To replace the filter D remove the filter retainer E If the Control Moduleismountedonanarm removethecontrolpanelfromthearm to access the filter To remove the control module 1 Disconnect the three interface cables F and the power cord C C C C 2 Remove the screws that attach the control module to the mou...

Page 111: ... one in each corner 3 Slightly separate the rear enclosure A from the front enclosure B 4 Swing the rear enclosure into an upright position Lift up the edge that houses the external connectors Be careful not to stress the harnesses in the back 5 Disconnect the harnesses from the back of control board CB to separate the two enclosures Battery D Ground E Power supply F Fan G w w w w Caution When dis...

Page 112: ... to the front enclosure 3 Carefully lift the control board from the front enclosure Guide the cables through the slotted openings at the left edge of the control board 4 Reassemble in reverse order 5 RefertoSection7 1forinstallingsoftwareandattachingthecontrolboard configuration label Note The ribbon cable for the front panel keyboard inserts into a ZIF zero insertion force connector on the contro...

Page 113: ... facing inward To replace the Power Supply 1 Disconnect the battery cable A from the control board 2 Disconnect the power supply s output connector C 3 Disconnect the power supply s input connector and ground wire D 4 Loosen each mounting screw four corners until it begins to ratchet 5 Lift out the power supply 6 Reassemble in reverse order Ground Terminal Note the sequencing of ground wires and h...

Page 114: ...sure 2 Reassemble in reverse order To remove the front enclosure 1 Use a 7 mm nut driver to remove the twelve nuts C around the periphery that hold the front enclosure D and the front panel assembly E together 2 Carefully lift the front enclosure from the front panel assembly Guide the cables through the slotted openings at the left edge of the front enclosure 3 Reassemble in reverse order A D B C...

Page 115: ...er 2 Remove the nut and washer that hold the encoder to the keyboard 3 Replace the encoder switch in reverse order Note the orientation of the attached ribbon cable To replace the LCD display 1 Use a 5 5 mm nut driver to remove the four nuts E at each corner of the display 2 Remove the display assembly from the keyboard 3 If required clean the keyboard window if new remove protective film 4 Remove...

Page 116: ... other contaminants can decrease the life of the backlight 1 Remove the ribbon cable from the LCD display 2 Remove the cover from the LCD display 3 Carefully remove the backlight A from display assembly 4 Guide the new backlight under the shielding flap B into the backlight cavity 5 Replace the cover 6 Replace the ribbon cable w w w w Do Not Touch A A B ...

Page 117: ...sconnect pipeline supplies close cylinder valves bleed off pressure 2 Remove the rear cover of the breathing system 3 Disconnect the drive gas hose A 4 Loosen the dual tube riser mounting screw B until 3 or 4 treads show out of the riser block pull down to lower the riser 5 Remove the screws C that hold the engine manifold to the housing 6 Slide the vent engine out of the housing just enough to ac...

Page 118: ...esent remove the scavenging downtube 5 Loosen the five captive screws A that hold the Vent Engine cover to the housing Raise the cover to access the Vent Engine 6 Disconnect the Vent Engine harness B 7 Disconnect the white tube coupler C inline with tube to pressure transducer on the Vent Engine Board 8 If present disconnect the black tube coupler inline with tube to scavenging 9 Disconnect the dr...

Page 119: ...sure the valve you are installing two blue dots is in this location Supply Pressure Switch D Also inspect the o ring that seal it to the manifold Replace as necessary Transfer harness wire to top and middle tabs bottom tab open Inspiratory Flow Valve E Noteorientationoftheflowvalve Alsoinspectthetwoo ringsthatsealittothe manifold Replace as necessary Inlet Filter F Install the filter with the cour...

Page 120: ...ct the o ring that seal it to the manifold Replace as necessary Transfer harness wire to top and middle tabs bottom tab open Inspiratory Flow Valve E Noteorientationoftheflowvalve Alsoinspectthetwoo ringsthatsealittothe manifold Replace as necessary Inlet Filter F Refer to Section 7 3 2 Supply gas inlet filter Note The wire harnesses are tie wrapped at this point to help keep the wires from interf...

Page 121: ...ner A at the bottom of the vent engine Use a 3 mm hex wrench to loosen the retaining screw from the manifold Pull down on both screws to remove the filter retainer 2 Pry the existing 2 micron filter B from the retainer 3 Install the new filter Place the filter screen on the retainer with the coarse side up Withyourthumbatthecenterofthescreen pressthefilterintoplace Ensure that all of the filter is...

Page 122: ...rface B Alsoinspectthetwoo rings notshown thatsealittothemanifold Replaceas necessary If necessary you can replace the free breathing valve components that are part of the Insp PEEP interface refer to the Maintenance Section 6 2 Free breathing valve maintenance Free breathing valve flapper C and o ring D If necessary clean flapper with alcohol before installing new trim off flush with outside surf...

Page 123: ...nifold plate gasket A 1 Ensure that gasket is properly positioned 2 Carefully install plate onto manifold making sure not to disturb the gasket 3 Start all screws first 4 Then torque to 1 7 N m 15 lb in using sequence shown b a d c e A Aestiva machine b a d c e f g A Aespire machine ...

Page 124: ...ing the housing 1 Disconnect tubing from pressure transducer A 2 Disconnect the control module cable B from the top of the PEB 3 Loosen the PEB mounting screws C until you can slide the PEB down out of the guides Note the mounting screws require a 3 32 inch hex wrench 4 Reassemble in reverse order Pneumatic Engine Housing To replace the housing 1 Disconnect tubing from pressure transducer A 2 Disc...

Page 125: ... rear subfloors 3 Remove the bulkhead cover 4 Disconnect the pressure gauge tubing disconnect the control panel harness remove the control panel 5 Disconnectthefourinlinetubingconnectors A betweentheMIAandthebulkhead connector 6 Disconnect the cables at the rear of the MIA Slide the cable retainer B on each connector toward the outside of the breathing system away from each other 7 Remove the two ...

Page 126: ...w w Caution The circuit boards are electrostatic sensitive Use an anti static workstation and wear a wrist grounding strap when handling a circuit board To gain access to the Serial Adapter Board 1 Remove the AC inlet module from the rear of the Aestiva Anesthesia Machine a Loosen the two captive M4 screws b Pulling on the two captive screws cautiously slide the AC inlet mod ule out only halfway f...

Page 127: ... of the SAB Cable A from machine switches system switch O2 flush O2 supply Cable B from control module 2 Disconnect the serial output cable C 3 Remove the three screws D that hold the SAB to the back wall 4 Remove the three nuts E that hold the SAB mounting bracket to the enclosure 5 Reassemble in reverse order A B SAB C E D ...

Page 128: ...module E 6 For machines with Display Arm disassemble arm to gain access to routing for power cord Remove cover at end of arm Remove top cover of arm Remove front and back plates from shoulder Loosen shoulder mounting screws enough to form gap at top large enough to pass the power plug connector For machines with Folding Mount remove the side panel 7 Pull the power cord into the electrical enclosur...

Page 129: ...strations for easier identification of parts as they are disassembled The 7100 Ventilator components are found in various locations of the anesthesia machine as detailed in the respective Technical Reference manual 8 1 Special instructions 8 2 8 2 Service tools 8 2 8 3 7100 Ventilator parts 8 3 ...

Page 130: ...ry Stick SW Revision 1 3 1504 8130 000 Section 7 1 Software Installation 2 PEEP INSP Calibrated Flow Orifice Note The Calibrated Flow Orifice for the Aespire has the same orifice size as the Calibrated Flow Orifice for the Aestiva however the Aestiva orifice has a larger outside dimension that does not fit through the Vent Engine cover plate To use the Aestiva orifice with and Aespire machine you ...

Page 131: ...hine Page 8 8 Figure 8 6 Pneumatic Engine view 2 of 2 Aestiva machine Page 8 9 Figure 8 7 Pneumatic Vent Engine view 1 of 2 Aespire machine Page 8 10 Figure 8 8 Pneumatic Vent Engine view 2 of 2 Aespire machine Page 8 11 Figure 8 9 Manifold plate Aestiva machine Page 8 12 Figure 8 10 Manifold plate Aespire machine Page 8 12 Figure 8 11 Mounting Bracket pneumatic engine Aestiva machine Page 8 13 Fi...

Page 132: ...5 000 5 Cable serial adapter board Aestiva machine Cable serial isolation and connector board Aespire machine 1504 5606 000 1009 5691 000 6 Cable monitoring interface assembly 1504 5604 000 7 Fuse inline 2A time delay T2L 250V 5mm x 20mm 1503 3073 000 8 AC Inlet double pole snap in 1504 3515 000 9 Filter fan 1504 3519 000 10 Retainer fan filter 1504 3518 000 Also order appropriate revision Softwar...

Page 133: ...aled lead acid 1504 3505 000 4 Strap battery retainer 1504 3509 000 5 Fan 5 VDC 1504 3516 000 6 Nut M3 KEPS 0144 3717 302 7 Enclosure rear 1504 8506 000 8 Power Supply Universal 40W 1504 3520 000 9 Harness power AC 1504 5613 000 10 Harness power DC 1504 5614 000 Also order appropriate revision Software Memory Stick Refer to Section 8 2 for Stock Number Refer to Section 7 1 1 for instructions regar...

Page 134: ...or 8 6 02 03 1006 0836 000 Figure 8 3 Display front cover assembly 1 2 3 4 Item Description Stock Number 1 Speaker with harness 1504 3513 000 2 Screw M3 0140 6219 128 3 Enclosure front 1504 3500 000 4 Nut M4 KEPS 0144 3717 314 ...

Page 135: ...coder switch 1503 3012 000 2 Knob soft touch 1006 4622 000 3 Keyboard front panel 1504 3534 000 4 Display LCD 320x240 includes backlight 1504 3507 000 5 Display Cable flat flex 1504 5602 000 6 Backlight Refer to Section7 2 5 To replace the backlight 1504 8509 000 7 Spacer 1504 3525 000 8 Nut M3 KEPS 0144 3717 302 ZIF connector pull tabs toward cable to release ...

Page 136: ... 8 7 8 Inspiratory Flow Control Valve O ring 9 25 ID x 12 8 OD 2 1504 3620 000 1503 3056 000 9 Harness valve switches 1504 5700 000 10 Fitting 8 mm Drive Gas 1504 3618 000 11 Filter 2 micron install course side UP 1504 3708 000 12 O ring 28 24 ID 33 48 OD 1504 3612 000 13 Retainer filter 1504 3707 000 14 Screw M4x20 SKT HD CAP Lockwasher M4 internal 1503 3105 000 0144 1118 128 Note The wire harnes...

Page 137: ...05 000 1406 3536 000 a Seat free breathing valve 1503 3204 000 b Valve flapper 0211 1454 100 c O ring 1503 3208 000 2 Riser dual tube 1504 3705 000 3 Screw M4x30 CAP HD 9211 0640 304 4 Reservoir pneumatic engine O ring base 56 87 ID x 60 43 OD O ring screw head 0 219 ID x 0 344 OD 1504 3704 000 1504 3614 000 0210 0686 300 If necessary clean with alcohol before installing new trim off flush with ou...

Page 138: ...gine O ring base 56 87 ID x 60 43 OD O ring screw head 0 219 ID x 0 344 OD 1504 3704 000 1504 3614 000 0210 0686 300 6 Inspiratory Flow Control Valve O ring 9 25 ID x 12 8 OD 2 1504 3620 000 1503 3056 000 7 Harness valve switches 1504 5700 000 8 Fitting 8 mm Drive Gas 1504 3618 000 9 Filter 2 micron install course side DOWN 1504 3708 000 10 O ring 28 24 ID 33 48 OD 1504 3015 000 11 Retainer filter...

Page 139: ...sure valve O ring 12 42 ID x 15 98 OD 2 1504 8505 000 1006 3615 000 a Seat free breathing valve 1503 3204 000 b Valve flapper 0211 1454 100 c O ring 1503 3208 000 2 Fitting 6 35 mm 1 4 inch 1504 3621 000 3 Plug 6 35 mm 1 4 inch 1503 3245 000 4 Fitting barbed 1504 3014 000 5 Vent Engine Board not part of assembly 1009 8001 000 If necessary clean with alcohol before installing new trim off flush wit...

Page 140: ...chine Gasket manifold Aespire machine 1504 3711 000 1504 3717 000 3 Plate manifold Aestiva machine Plate manifold Aespire machine 1504 3712 000 1504 3716 000 4 Screw M4x12 Lockwasher M4 internal 1102 3006 000 0144 1118 128 5 Screw M4x8 Pozidriv PAN 1006 3178 000 Install gasket into manifold Check to see that it is properly positioned Carefully install plate onto manifold making sure not to disturb...

Page 141: ...chine 1 6 2 4 5 4 2 3 6 Item Description Stock Number 1 Pneumatic Engine Board PEB 1504 8508 000 2 Cuff exhalation valve interface 1503 3589 000 3 Plug 1 8 inch 1006 3611 000 4 Shield cuff protection 1503 3214 000 5 Screw M4x8 Pozidriv PAN 1006 3178 000 6 Bracket pneumatic engine housing 1503 3206 000 ...

Page 142: ...ard in the Aespire machine refer to the Technical Reference manual for the Aespire machine 1 5 2 3 4 AB 23 190 Item Description Stock Number 1 Serial Adapter Board SAB 1504 5503 000 2 Cable ribbon serial out 1006 3703 000 3 Cable to control board 1504 5606 000 4 Cable machine switches 1006 3707 000 5 Power Cord Harness with connector 1504 5705 000 ...

Page 143: ... a 4 3 5 2 1 Item Description Stock Number 1 Monitoring Interface Assembly MIA 1504 7000 000 a Coupling inline black 1503 3128 000 b Coupling inline white 1503 3119 000 c Coupling inline yellow 1503 3132 000 d Coupling inline blue 1503 3130 000 2 Cable MIA to control board 1504 5604 000 3 Tubing 1 4 inch pressure gauge port to PEB 0994 6370 010 4 Hose Assembly drive gas supply 1503 3219 000 5 Cabl...

Page 144: ...Notes 8 16 02 03 1006 0836 000 ...

Page 145: ...ia machine pneumatic diagram 9 4 Figure 9 4 Aespire 7100 anesthesia machine pneumatic diagram 9 5 Figure 9 5 Aestiva 7100 ventilator wiring diagram 9 6 Figure 9 6 Aestiva 7100 Pneumatic Engine and Pneumatic Engine Board 9 7 Figure 9 7 Aestiva 7100 breathing system switches to Monitoring Interface Assembly 9 7 Figure 9 8 Aespire 7100 ventilator wiring diagram 9 8 Figure 9 9 Aespire 7100 ventilator ...

Page 146: ...r Membrane Switches Rotary Encoder Serial Adapter Cable Pneumatic Interface Cable Monitoring Interface Cable LCD Display 320 X 240 ACGO Switch Pneumatic Engine Inspiratory Valve PEEP Valve System Pressure Switch PEEP Safety Valve Serial Adapter Board Pneumatic Engine Board RS232 Backlight O2 Sensor Canister Release Switch Breathing Circuit ID Bulkhead Connector Absorber Bypass Switch Bag Vent Swit...

Page 147: ...Valve PEEP Valve SystemPressureSwitch PEEP Safety Valve Serial Isolation Connector Board Vent Engine Board RS232 Backlight Universal Power Supply 6V 5AMax 5mm x 20mm T2L 250 V Power Cord Inside Machine AC Inlet with Circuit Breaker and Line Filter Surge or Inrush Board Fuses Line Filter Outlet Box Isolation Transformer Breathing System Ventilator Monitoring Board Bag Vent Switch ABS On Switch O2 S...

Page 148: ...IRCLE MONITORING INTERFACE ASSEMBLY EXPIRATORY FLOW SENSOR INSPIRATORY FLOW SENSOR ACTIVE GAS SCAVENGING INTERFACE PASSIVE GAS SCAVENGING INTERFACE RECEIVER 2L HIGH OR LOW FLOW RESTRICTOR FILTER FLOW INDICATOR OPTIONAL 10 CM H20 RELIEF VALVE TO DISPOSAL SYSTEM 30 mm OR DRAGER OR 12 mm HOSE BARB TO DISPOSAL SYSTEM DISS EVAC OR BSI OR BOC 200 mL VOLUME GAS OUT GAS IN ABSORBER CO2 BYPASS OPTIONAL MAI...

Page 149: ...10 LPM Drive Gas 0 10 LPM Patient and Fresh Gas 0 20 LPM Total Typical Flow 35 psi Gas Monitor Inspiratory Flow Control Valve Popoff Valve O2 Sensor opt 110 psi Relief 110 psi Relief Insp Flow Trans P 200 mL Reservoir APL valve 0 70 cm H2O Absorber Drain Selectatec Manifold VAP VAP 5 5 psi Pressure Relief Valve Flowmeter Module Link 25 Link 25 30 psi System Switch Dual Flowtubes Optional PEEP Safe...

Page 150: ...ram AB 23 124 AB 23 190 From AC Inlet Module Serial Port SAB MIA Control Module Airway Pressure Limit Sense Tubing Breathing System Switches To System Switch Flush Power Cord Cable to Serial Adapter Board Cable to Pneumatic Cable to Monitoring Interface Assembly O2 Engine Board Pressure Limit To O2 ...

Page 151: ...min 10TO 110cm H2O FREE BREATHING CHECK VALVE 1 4 cm H2O PEEP SAFETY VALVE 4 5 VDC N C 172 kPa 200 mL VOLUME PNEUMATIC ENGINE BOARD AIRWAY PRESSURE TRANSDUCER CALIBRATED BLEED ORIFICE ATMOSPHERE ATMOSPHERE ATMOSPHERE PEB CABLE TO VENTILATOR CONTROL MODULE 241 689 kPa UP TUBES TO BELLOWS HOUSING TO EXHALATION VALVE TO AIRWAY PRESSURE PORT AB 43 099 Control Panel Canister Release Monitoring Interfac...

Page 152: ...8 Aespire 7100 ventilator wiring diagram O2 N2O Air Control Display Module Task Light RS 232 VEB VMB ACGO ACGO ACGO Selector Switch Key to Symbols VEB Vent Engine Board VMB Ventilator Monitoring Board ACGO Auxiliary Common Gas Outlet AC Inlet AB 74 047 AB 74 047 ...

Page 153: ...espire 7100 ventilator tubing diagram Vent Engine VEB Scavenging Downtube Auxiliary O2 Flowmeter Vaporizer Manifold From Flowmeter From O2 Supply Ventilator Monitoring Board ACGO ACGO Selector Switch Sample Return AB 74 033 a black b white c yellow d blue a b c d ...

Page 154: ...1 TP23 TP25 TP24 Q17 PJ31 Q22 PJ30 TP33 TP34 TP28 TP29 TP32 TP35 TP37 TP38 TP39 TP36 TP30 TP31 TP27 TP22 U26 U33 J11 J12 J11 J14 J13 J15 J10 J9 J6 J7 J5 U31 U37 J8 PJ28 C74 TP26 J4 U10 To 6V Battery Line From AC Inlet Fan Backlight T2L 250V 5mm x 20mm To Speaker To LCD Display From Rotary Encoder From Keyboard From Monitoring Interface Assembly Software Upgrade To Pneumatic Engine From Serial Adap...

Page 155: ...9 Schematics and Diagrams 1006 0836 000 02 03 9 11 Figure 9 11 Display Panel block diagram To Backlight To LCD Display To Speaker LCD Display From Rotary Encoder From Front Panel Keyboard AB 43 098 ...

Page 156: ...9 12 02 03 1006 0836 000 Notes ...

Page 157: ......

Page 158: ...1006 0836 000 02 03 B 01 01 02 Printed in USA Datex Ohmeda Inc All rights reserved Technical Reference Manual English 7100 Anesthesia Ventilator ...

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