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NPB-40

33

T r o u b l e s h o o t i n g

Introduction

This section explains how to troubleshoot the NPB-40. Tables list possible
NPB-40 difficulties, along with probable causes, and recommended actions to
correct the difficulty.

How To Use This Section

Use this section in conjunction with

Performance Verification

on page 15, and

on page 55. To remove and replace a part suspected of being

defective, follow the instructions in

Disassembly Guide

on page 43. The circuit

analysis section in the

Technical Discussion

on page 75, offers information on

how the NPB-40 functions.

Who Should Perform Repairs

Only qualified service personnel should open the NPB-40 housing, remove and
replace components, or make adjustments. If your medical facility does not have
qualified service personnel, contact Nellcor’s Technical Services or your local
Nellcor representative.

Troubleshooting Guide

Note:

Follow the recommended actions discussed in this section to correct the
majority of problems you may encounter. However, problems not covered
here can be resolved by calling Nellcor’s Technical Services or your local
Nellcor representative.

If you encounter a problem that cannot be resolved through a visual inspection,
refer to Table 3 which provides troubleshooting support. It is recommended that
corrective actions be performed in the order presented. For a symptom that is not
listed in Table 3, contact the Nellcor Technical Services Department at
1.800.635.5267 or your local Nellcor representative.

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40
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Содержание Oximax NPB-40

Страница 1: ......

Страница 2: ...Nellcor s Technical Services Department or your local representative Purchase of this instrument confers no express or implied license under any Nellcor Puritan Bennett patent to use the instrument wi...

Страница 3: ...Installation 12 Performance Verification 15 Introduction 15 Equipment Needed 15 Performance Tests 15 Power On Self Test 15 Discussion 15 Procedure 16 Operational Setup 19 Setting the Time and Date 20...

Страница 4: ...59 Returning the NPB 40 59 Repacking in Original Carton 59 Packing in a Different Carton 60 Specifications 63 Performance 63 Electrical 67 Environmental Conditions 68 Physical Characteristics 69 Compl...

Страница 5: ...Contents NPB 40 iii Power Supply 81 Power Supply Monitoring 81 Index 103...

Страница 6: ...re 18 Display PCB and CPU PCB Removal 52 Figure 19 Battery Spring Alignment 53 Figure 20 Installing The Case Screws 53 Figure 21 Battery Installation 54 Figure 22 Battery Compartment Door Latch 54 Fig...

Страница 7: ...b l e s Table 1 Menu Structure 7 Table 2 Time Set Menu 8 Table 3 Troubleshooting Guide 34 Table 4 Error Codes 37 Table 5 Parts and Accessories List 55 Table 6 Electronic Emissions 71 Table 7 Electrom...

Страница 8: ...Tables vi This Page Intentionally Blank...

Страница 9: ...ovided by the NPB 40 WARNING Explosion hazard Do not use the NPB 40 in the presence of flammable anesthetics mixed with air oxygen or nitrous oxide WARNING Do not spray pour or spill any liquid on the...

Страница 10: ...case rendering it unusable Caution When installing the Power Supply or the User Interface PCB tighten the seven screws to a maximum of four inch pounds Over tightening could strip out the screw holes...

Страница 11: ...rate of adult pediatric and neonatal patients It can be used in hospital emergency transport and mobile environments as well as in the home care environment Identification of Front Panel Buttons and...

Страница 12: ...icator blip bar 8 Time colon time date field separator 9 Adjust Time mode indicator 10 Adjust Volume mode indicator 11 Set Limit mode indicator 12 BPM Upper Alarm Limit indicator 13 BPM Limit Changed...

Страница 13: ...ndicator 18 Print indicator 19 Motion indicator 20 Pulse Beep Tone Volume Adjust indicator 21 Pulse Search indicator 22 Alarm Volume Adjust indicator 23 Data In Sensor indicator 24 Data indicator 25 L...

Страница 14: ...larm volume pulse beep volume and data printing Pressing the Menu button during start up Power On Self Test POST test accesses the Time Date setting menu Repeated activations of the Menu button in thi...

Страница 15: ...Low Limit Adjust limit 2 SpO2 High Limit Adjust limit 3 BPM Low Limit Adjust limit 4 BPM High Limit Adjust limit 5 Pulse Beep Volume Adjust volume Indications on blip bar 6 Alarm Volume Adjust volume...

Страница 16: ...ecks the day and month selections to see if they are correct If the day or month selection is not valid for the year selected the NPB 40 display returns to the day selection display Some examples of i...

Страница 17: ...efer to the NPB 40 operator s manual To understand the various Nellcor approved OXIMAX sensors that work with the NPB 40 refer to the individual OXIMAX sensor s Directions For Use The latest version o...

Страница 18: ...Introduction 10 This Page Intentionally Blank...

Страница 19: ...model has cleaning instructions specific to that sensor Periodic Safety Checks The NPB 40 requires no calibration The following checks should be performed at least every 24 months by a qualified servi...

Страница 20: ...d remove the battery access door See Figure 1 3 Install four AA size batteries orientated as shown in Figure 1 4 Replace the battery access door Figure 1 Installing Batteries WARNING Explosion hazard...

Страница 21: ...all medical equipment carefully route patient cabling to reduce the possibility of patient entanglement or strangulation WARNING To ensure accurate performance and prevent device failure do not expos...

Страница 22: ...Routine Maintenance 14 This Page Intentionally Blank...

Страница 23: ...Proper working conditions are verified each time the NPB 40 is turned on as described in the following procedure The verification procedure POST takes 7 to 13 seconds to complete Caution If any indic...

Страница 24: ...play graphics are shown for three seconds Display goes blank all display elements off for one second Version number of the software is shown as a three digit number in the right hand number field with...

Страница 25: ...s shown with leading zeros for software version numbers less than 100 Note The software version shown above is only a sample Check your NPB 40 for the software version installed Note Software version...

Страница 26: ...second tone indicating that the NPB 40 has passed the test WARNING If you do not hear the POST pass tone do not use the NPB 40 WARNING Ensure that the speaker is clear of any obstructions and that th...

Страница 27: ...s the Backlight button The backlight turns on 11 Press the Backlight button The backlight turns off Operational Setup The operational setup procedure sets the time and date into the NPB 40 Refer to th...

Страница 28: ...0 Note Allowing the NPB 40 to time out 30 seconds sets the currently shown parameter and the NPB 40 display returns to the normal operating display Procedure With the NPB 40 in the normal monitoring m...

Страница 29: ...The minutes indication 45 flashes 6 Press the Up Arrow button or the Down Arrow button until the desired minutes are shown 7 Press the Menu button to set the minutes and show the day set display The d...

Страница 30: ...he Up Arrow button or the Down Arrow button until the desired month is shown 11 Press the Menu button to set the month and show the year set display The year indication 2004 flashes 12 Press the Up Ar...

Страница 31: ...nect a Nellcor OXIMAX MAX A oxygen OXIMAX sensor to the NPB 40 2 Clip the MAX A to the subject as recommended in the OXIMAX sensor s Directions For Use 3 Press the Power button to turn the NPB 40 on a...

Страница 32: ...is a brief description of each test Test Setup This procedure establishes the baseline for all the other tests The Test Setup procedure must be performed before performing any or all of the SRC MAX te...

Страница 33: ...X sensor attached to a patient indicating low and high light level passing through the patient at the sensor site The test setup procedure sets up Test 4 for low light level Test Setup Note A DEC 4 ex...

Страница 34: ...he SRC MAX PULSE RATE 200 LED lights 2 The NPB 40 bpm increases to 200 and stabilize at 200 bpm The test pass criteria is 197 to 203 bpm inclusive 3 The NPB 40 displays 75 SpO2 displays 200 bpm pass c...

Страница 35: ...dicator displays low level modulation Test 2 SpO2 1 Press the SRC MAX SpO2 select button The SRC MAX SpO2 90 LED lights 2 The NPB 40 displays three dashes until the SRC MAX stabilizes at 90 SpO2 The t...

Страница 36: ...tion Test 3 Modulation Level 1 Press the SRC MAX MODULATION selection button The SRC MAX MODULATION LED lights 2 The NPB 40 pulse blip bar initially increases in amplitude and then stabilizes 3 The NP...

Страница 37: ...ip bar decreases in amplitude 8 The NPB 40 displays 75 SpO2 displays 60 bpm alarms Pulse Amplitude indicator displays low level modulation 9 Perform Test 1 BPM on page 26 The pulse amplitue indicator...

Страница 38: ...arms pulse amplitue indicator displays high level modulation 4 Perform Test 1 BPM on page 26 The pulse amplitue indicator should indicate high level modulation 5 Perform Test 2 SpO2 on page 27 The pul...

Страница 39: ...Perform Test 2 SpO2 on page 27 The pulse amplitue indicator should indicate low level modulation 11 Disconnect all equipment and turn off the NPB 40 Safety Tests The NPB 40 safety tests meet the stan...

Страница 40: ...Performance Verification 32 This Page Intentionally Blank...

Страница 41: ...open the NPB 40 housing remove and replace components or make adjustments If your medical facility does not have qualified service personnel contact Nellcor s Technical Services or your local Nellcor...

Страница 42: ...teries are installed incorrectly or they are backwards Open the battery compartment and if batteries are not installed correctly remove and reinstall the batteries Refer to the NPB 40 Operator s manua...

Страница 43: ...on page 46 CPU PC has failed Replace the CPU PCB with a known good PCB See CPU PCB or Display PCB Replacement on page 46 One or more display segments does not work A display PCB component has failed...

Страница 44: ...or Display PCB Replacement on page 46 CPU PC has failed Replace the CPU PCB with a known good PCB See CPU PCB or Display PCB Replacement on page 46 The Backlight LEDs on the Display PCB have failed Re...

Страница 45: ...PU PC has failed Replace the CPU PCB with a known good PCB See CPU PCB or Display PCB Replacement on page 46 The printer batteries are at or near a voltage too low to operate the printer Install new b...

Страница 46: ...nternal register appears modified from expected value 19 X Check replace sensor extension cable SpO2 front end reports signal out of range 48 X Replace SpO2 board SpO2 front end reports spurious inter...

Страница 47: ...back end reports incompatible software version 275 X Check replace sensor extension cable SpO2 back end reports incorrect registration number 276 X Replace with OxiMax sensor extension cable SpO2 back...

Страница 48: ...able error with SpO2 communication 531 1 2 1 Replace SpO2 board 2 Replace UI board Unrecoverable error with SpO2 communication 532 1 2 1 Replace SpO2 board 2 Replace UI board Unrecoverable error with...

Страница 49: ...e and date Invalid time Cannot snapshot 544 X Replace UI board Invalid register value 999 X Replace UI board Watchdog protection activated Table 4 Error Codes Continued Error Code Scope of Action Acti...

Страница 50: ...Troubleshooting 42 This Page Intentionally Blank...

Страница 51: ...e driver four inch pounds 10 cm kg Replacement Level Supported The replacement level supported for the NPB 40 is to the printed circuit board PCB and major subassembly level When the problem has been...

Страница 52: ...ries Figure 4 Installing Batteries Separating the Front and Back Cases Do the following procedure to separate the NPB 40 front and back cases 1 Do the procedure in paragraph Prior to Disassembly on pa...

Страница 53: ...semblies See Figure 6 Figure 6 Cases Separated Caution Failure to unlock connector J3 on the CPU PCB before attempting to remove the front case flex circuit could damage the flex circuit 4 Unlock conn...

Страница 54: ...ese slots when you remove the CPU PCB and display PCB and ensure that the battery connectors are inserted back into these slots when you reassemble the NPB 40 3 Pull the CPU PCB and display PCB to the...

Страница 55: ...gure 9 Separating the Display PCB and CPU PCB 5 Place the defective PCB to the side 6 Align the new PCB J1 and J2 and the removed good PCB J1 and J2 and gently press them together See Figure 10 Figure...

Страница 56: ...ttery springs slip into place See Figure 11 Figure 11 Battery Spring Alignment Note The longer screws install at the top of the case See Figure 12 items 1 and 4 8 Align the front and rear cases See Fi...

Страница 57: ...e 24 Front Case Assembly Replacement The front case assembly contains the keypad Perform the following procedure to replace the front case assembly 1 Remove the batteries from the NPB 40 See Prior to...

Страница 58: ...bly ribbon cable to the CPU PCB connector J3 See Figure 14 Figure 14 Front Case Ribbon Cable Connection 5 Lock the ribbon cable connector See Figure 15 Figure 15 Locking CPU PCB Connection to J3 1 J3...

Страница 59: ...hrough 4 Figure 16 Installing The Case Screws 7 Install the batteries and battery cover as shown in Figure 17 Figure 17 Battery Installation 8 Perform the performance verification tests before placing...

Страница 60: ...on The battery connectors spring assemblies at the bottom of the CPU PCB are held in slots in the battery compartment Observe how these connectors are engaged in these slots when you remove the CPU PC...

Страница 61: ...that the battery springs slip into place See Figure 19 Figure 19 Battery Spring Alignment Note The longer screws install at the top of the case See Figure 20 items 1 and 4 6 Place the front and rear...

Страница 62: ...See Pulse Oximetry Functional Tests on page 24 Battery Compartment Door Replacement Perform the following procedure to replace the battery compartment door 1 Press battery door latch Figure 22 item 1...

Страница 63: ...arts by the part names and part numbers Spare parts and accessories for the NPB 40 are listed on the Internet at http mallinckrodt com respiratory resp Serv_Supp Apartweb main PartAcceMenu html Parts...

Страница 64: ...erman Operator s manual Greek Operator s manual Hungarian Operator s manual Italian Operator s manual Japanese Operator s manual Norwegian Operator s manual Polish Operator s manual Portuguese Operato...

Страница 65: ...Spare Parts NPB 40 57 Figure 23 shows the NPB 40 expanded view with numbers relating to the spare parts list Figure 23 Exploded View...

Страница 66: ...Spare Parts 58 This Page Intentionally Blank...

Страница 67: ...original shipping carton If the original carton is not available use a suitable carton with appropriate packing material to protect it during shipping Return the NPB 40 by any shipping method that pro...

Страница 68: ...return address and RGA number Packing in a Different Carton If the original carton is not available use the following procedure to pack the NPB 40 1 Place the NPB 40 in a plastic bag 2 Locate a corru...

Страница 69: ...40 61 4 Place the bagged unit on the layer of packing material and fill the box completely with packing material 5 Seal the carton with packing tape 6 Label the carton with the shipping address retur...

Страница 70: ...Packing for Shipment 62 This Page Intentionally Blank...

Страница 71: ...ts With Motion 2 normal physiologic range 55 125 bpm 5 digits Low Perfusion 3 20 to 250 bpm 3 digits 1 Saturation accuracy will vary by sensor type Refer to the Sensor Accuracy Grid The Sensor Accurac...

Страница 72: ...ter Pitch 30 Hz 1500 Hz On pulse width 20 msec 500 msec Off Interval 20 msec 10 msec Number of pulses in burst 1 Repetition Pause 2 sec N A Priority 2 POST Pass Volume level Fixed at 45 dB A at one me...

Страница 73: ...Number of pulses in burst 1 Repetition Pause 2 sec N A Priority 6 Pulse Beep Volume level Adjustable 42 to 52 dB A at one meter Pitch 30 Hz 1500 Hz On pulse width 20 msec 50 msec Off Interval 20 msec...

Страница 74: ...Adjustable 42 to 52 dB A at one meter Pitch 30 Hz 752 Hz On pulse width 20 msec 400 msec Off Interval 20 msec 300 msec Number of pulses in burst 1 Repetition Pause 2 sec 0 sec Priority 10 Low priorit...

Страница 75: ...light emitted are near 660 nm and 890 nm OXIMAX Sensor Power Dissipation Sensor Dissipation OXIMAX MAX N 52 5 mW OXIMAX MAX I 52 5 mW OXIMAX MAX P 52 5 mW OXIMAX MAX A 52 5 mW OXIMAX MAX AL 52 5 mW O...

Страница 76: ...orage not in shipping container Temperature 20 C to 60 C 4 F to 140 F Altitude 390 m to 5 574 m 1 280 ft to 18 288 ft Atmospheric Pressure 50 kPa to 106 kPa 14 7 in Hg to 31 3 in Hg Relative Humidity...

Страница 77: ...Standards EN 60601 1 1990 A1 A2 EN 60601 1 2 2001 UL 60601 1 CAN CSA C22 2 No 601 1 Type of protection Internally powered equipment on battery power Degree of protection Type BF Applied part Mode of...

Страница 78: ...00 MHz to 2 5 GHz Equation Rated Maximum Output Power of Transmitter in Watts Separation Distance in Meters Separation Distance in Meters Separation Distance in Meters 0 01 0 12 0 12 0 23 0 1 0 38 0 3...

Страница 79: ...tic Environment Guidance RF emissions CISPR 11 Group 1 The NPB 40 uses RF energy only for its internal function Therefore the RF emissions are very low and not likely to cause interference in nearby e...

Страница 80: ...n power should be that of a typical commercial or hospital environment Power Frequency 50 60 Hz magnetic field 3 A m Complies Power frequency magnetic fields should be at levels characteristic of a ty...

Страница 81: ...s amateur radio AM and FM radio broadcast and TV broadcast cannot be predicted theoretically with accuracy To assess the electromagnetic environment due to fixed RF transmitters an electromagnetic sit...

Страница 82: ...Specifications 74 This Page Intentionally Blank...

Страница 83: ...ared light into an arteriolar bed and measuring changes in light absorption during the pulsatile cycle Red and infrared low voltage light emitting diodes LED in the oximetry OXIMAX sensor serve as lig...

Страница 84: ...ables that shift the relationship between PO2 and pH temperature the partial pressure of carbon dioxide PCO2 2 3 DPG and fetal hemoglobin See Figure 25 Figure 25 Oxyhemoglobin Dissociation Curve SatSe...

Страница 85: ...rect operation including the OXIMAX sensor s calibration data model type troubleshooting codes and error detection data This unique oximetry architecture enables several new features with the NPB 40 W...

Страница 86: ...26 Block Diagram SpO2 Printed Circuit Board The SpO2 PCB provides patient interface and NPB 40 operating power Patient Interface The patient interface receives signals from the OXIMAX patient sensor T...

Страница 87: ...he SpO2 power supply The SpO2 power monitoring function provides the user interface CPU and SpO2 patient interface with status information on the power supply output signals User Interface Printed Cir...

Страница 88: ...CPU controls all functions and timing for the NPB 40 The CPU communicates with the SpO2 PCB patient interface The patient interface signal are sent to the CPU for processing The CPU sends signals to t...

Страница 89: ...rinter communicates with the IrDA Refer to the printer manual for more information Power Supply The user interface PCB power supply receives power from the SpO2 PCB power supply The power supply provi...

Страница 90: ...Technical Discussion 82 This Page Intentionally Blank...

Страница 91: ...9 9K J5 Engineering Mode 1 2 C114 100pF L11 2506033017Y0 1 2 T183 C107 0 1uF T187 C105 0 1uF R98 100K T184 C106 100pF T185 C81 0 1uF T188 J8 1 2 T189 T176 T190 R23 698K C113 0 1uF C109 0 1uF J4 CON8 1...

Страница 92: ...Technical Discussion 84 This Page Intentionally Blank...

Страница 93: ...C104 4 7U Q10 MPSA06S 3 1 2 T166 R101 301K T167 R102 221K T168 R104 100R T171 R105 100K T169 T175 R96 30 1K R107 49 9K B2 1 T170 R109 PTC1812 Q13 BSS138 1 3 2 Q12 IRLML6401 3 1 2 R93 1K T174 TVS1 SMC...

Страница 94: ...Technical Discussion 86 This Page Intentionally Blank...

Страница 95: ...U35 LT1790BCS6 1 25 4 6 2 1 VIN VOUT GND GND C74 4 7pf R84 845K C80 1U R87 294K U31 LT1761ES5 5 4 5 1 2 3 BYP OUT IN GND SDN C86 0 1U L9 10uH T137 R89 10R T139 C79 4 7U C77 4 7pf T138 R113 10R C84 0...

Страница 96: ...Technical Discussion 88 This Page Intentionally Blank...

Страница 97: ...A0 NLB A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 P28 A20 CS7 P29 A21 CS6 P30 A22 CS5 P31 A23 CS4 D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 NCS0 NCS1 P26 NCS2 P27...

Страница 98: ...Technical Discussion 90 This Page Intentionally Blank...

Страница 99: ...9K T10 T36 U2B MAX4066S 3 5 7 4 14 R20 24 9K C6 0 047U R80 200K C9 22P T15 U3B TLC2262PW 6 5 7 8 4 R17 24 9K C22 0 022U T40 R45 909 R24 71 5K C20 0 047U T16 U25B LT1013S 3 4 5 6 2 T99 R76 49 9K C23 22...

Страница 100: ...Technical Discussion 92 This Page Intentionally Blank...

Страница 101: ...PSA06S 3 1 2 C10 470P C29 0 01U R75 475 R49 49 9K T60 Q5 MPSA06S 3 1 2 C30 4 7P U14A LT1013S 1 8 7 6 2 C31 0 1U T48 L3 DLW31SN222SQ2B 4 1 3 2 U15 MAX4053Q 11 10 9 6 16 7 8 14 13 12 15 2 1 4 5 3 A B C...

Страница 102: ...Technical Discussion 94 This Page Intentionally Blank...

Страница 103: ...0 T64 C67 10U 10V T88 RP18 100 1 8 2 7 3 6 4 5 T6 T107 C45 0 1U T73 T69 T67 T2 T117 U18 74LVC244APW 10 1 20 2 4 6 8 19 11 13 15 17 18 16 14 12 9 7 5 3 GND OE1 VCC I0 I1 I2 I3 OE2 I4 I5 I6 I7 O0 O1 O2...

Страница 104: ...Technical Discussion 96 This Page Intentionally Blank...

Страница 105: ...13 14 R11 1 0M C18 0 1uF C1 0 1uF R48 453K R73 562K C69 0 1uF R12 1 0M R74 649K R3 1 0M T1 R9 1 0M T6 C11 1uF D1 3 6V D2 MBR0520L R8 30 1K C9 0 1uF C3 22mF R10 1 0M T2 T4 R42 1M V GND U7 LP339 1 2 3 4...

Страница 106: ...Technical Discussion 98 This Page Intentionally Blank...

Страница 107: ...11 A12 A13 A14 A15 A16 A17 A18 A19 P28 A20 CS7 P29 A21 CS6 P30 A22 CS5 P31 A23 CS4 D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 NCS0 NCS1 P26 NCS2 P27 NCS3 NRD NOE NWR0 NWE NWR1 NUB NWAIT P24...

Страница 108: ...Technical Discussion 100 This Page Intentionally Blank...

Страница 109: ...15 16 17 18 19 20 21 22 23 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 64 63 58 56 59 57 60 61 62 24 55 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10...

Страница 110: ...Technical Discussion 102 This Page Intentionally Blank...

Страница 111: ...dysfunctional hemoglobin 15 E equipment needed for performance checks 15 Er 18 error codes 37 exploded view 57 explosion hazard 1 extension cable 15 external agents 15 F flammable anesthetics 2 fract...

Страница 112: ...safety analyzer 15 safety tests 31 satseconds alarm management 76 sensors 67 separating the front and back cases 44 service manual 9 software version 17 spare parts 55 spare parts on internet 9 speci...

Страница 113: ......

Страница 114: ...ett Division 4280 Hacienda Drive Pleasanton CA 94588 U S A Telephone 1 800 635 5267 Authorized Representative Tyco Healthcare UK LTD 154 Fareham Road Gosport PO13 0AS U K 2004 Nellcor Puritan Bennett...

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