Welch Allyn 52000 Series Service Manual
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Welch Allyn 52000 Series Service Manual

Welch Allyn 52000 Series Service Manual

Vital signs monitor; protocol quiksigns
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95P445E Rev. C
This manual covers the Enhanced Vital Signs Monitor introduced
in June 1999. The Enchanced VSM is easily detected by a dark
blue "Silence" button on the front panel instead of a grey button.
Service Manual
Vital Signs Monitor
Protocol QuikSigns
4341 State Street Road
Skaneateles Falls, NY 13153-0220
(52000 Series)
(52000 Series)
Welch Allyn, Inc.
P.O. Box 220
Copyright 1999

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  • Page 1 June 1999. The Enchanced VSM is easily detected by a dark blue "Silence" button on the front panel instead of a grey button. Service Manual Vital Signs Monitor (52000 Series) Protocol QuikSigns (52000 Series) Welch Allyn, Inc. 4341 State Street Road P.O.
  • Page 2 Added page numbering to blank pages. Drawings and/or illustrations and/or part numbers in this document are for refer- ence only. For the most current revision call the Welch Allyn Customer Service phone number listed in Section 1. Service Manual 95P445E Rev. C...
  • Page 3 Welch Allyn Vital Signs Monitor Service Manual 95P445E Rev. C...

  • Page 4: Table Of Contents

    Fail Safe Testing ......................24 Tests........................25 Temperature Tests ....................... 26 Nurse Call Testing....................... 26 Self Diagnostic Fault Codes ..................27 Main Board/Blood Pressure Error Codes ..............27 Error Codes......................27 Service Manual 95P445E Rev. C Welch Allyn Vital Signs Monitor iii...
  • Page 5 Temperature Option Testing ..................79 Printer Option Testing....................79 RS232 Testing ......................79 RS423 Testing (Acuity Monitors) ................79 Appendix E: Check List For Service Work Check List for Service Work ..................83 Welch Allyn Vital Signs Monitor Service Manual 95P445E Rev. C...
  • Page 6 Figure 4-2. Pressure transducer replacement ..............39 Figure 4-3. RTV removal from NONIN SpO PCB............. 47 Figure 4-4. SpO jack, wire side .................. 47 Figure 4-5. Bottom view of valve (Pneutronics)............53 Service Manual 95P445E Rev. C Welch Allyn Vital Signs Monitor v...
  • Page 7 Welch Allyn Vital Signs Monitor Service Manual 95P445E Rev. C...

  • Page 8: To Service Personnel

    The information contained in these publications are subject to change without notice and should not be construed as a commitment by Welch Allyn, Inc. Welch Allyn assumes no responsibility for any errors that may appear in this manual. If the product and/or its operation varies significantly from any description herein, please contact the following: Welch Allyn, Inc.

  • Page 9: Limited Warranty

    General Information Limited Warranty Welch Allyn, Inc. warrants the Vital Signs Monitor, when new, to be free of defects in material and workmanship and to perform in accordance with manufacturer's specifications for a period of two years from the date of purchase from Welch Allyn, Inc.

  • Page 10: Periodic Calibration Requirements

    Japan (+81) 3-5212-7391 China (+86) 21-6327-9631 Before contacting Welch Allyn it is helpful to attempt to duplicate the problem and to check all accessories to ensure that they are not the cause of the problem. When calling, please be prepared to provide: The product name, model number and complete description of the problem •...

  • Page 11: Incoming Inspection

    4. If an item is missing, first check the carton, then check with your receiving department. If necessary contact your nearest Welch Allyn representative. 5. Clean and disinfect by following the instructions printed in the Operator’s Manual.

  • Page 12: Introduction

    General Information Section 1 Introduction The Welch Allyn Vital Signs Monitor, also marketed as QuickSigns, is designed to non- invasively and automatically measure systolic and diastolic pressure, pulse rate, temperature and oxygen saturation (SpO ) for adult and pediatric patients. THE WELCH ALLYN VITAL SIGNS MONITOR IS NOT TO BE USED ON NEONATAL PATIENTS.
  • Page 13 15 minutes. In addition, the operator may choose to disable the Auto Mode by choosing “--” (two dashes). Note: In the 1-minute automatic cycle mode, the Welch Allyn Vital Signs Monitor will automatically take blood pressure measurements in 1-minute intervals for up to 15 minutes.
  • Page 14 Note: Normal mode axillary temperatures (10 seconds) are accurate only for children under the age of four. Note: The Welch Allyn Vital Signs Monitor is not intended to be used on Neonatal patients. Temperature readings may be displayed in Fahrenheit or Celsius scales.
  • Page 15 SpO reading. The update interval of the bar graph should correspond to the patient's pulse rate. This is an indication of the quality of the SpO signal. Welch Allyn Vital Signs Monitor Monitor Service Manual 95P445E Rev. C...
  • Page 16 The user may change the pulse tone volume, or turn this feature off as necessary. Pulse Rate Feature The Welch Allyn Vital Signs Monitor is capable of determining pulse rate as an adjunct to the blood pressure measurement and the SpO measurement.

  • Page 17: Specifications

    Normally Open Figure 1-1. Nurse call interface diagram. The Welch Allyn Vital Signs Monitor provides a switch closure output between two pins of the serial connector (pins 7 and 8). The output is universal in that it is compatible with a wide variety of different systems with no polarity dependence.
  • Page 18 Calibration Accuracy: ±0.2 °F (±0.1 °C) Temperature Determination Time (Oral) 4 seconds typical, 15 seconds maximum (Axillary) 10 seconds typical (Rectal) 15 seconds typical Oxygen Saturation Range (SpO 40-99% oxygen saturation Service Manual 95P445E Rev. C Welch Allyn Vital Signs Monitor 11...

  • Page 19: Mechanical Specifications

    Depth 5.0 inches (12.7 cm) Weight Approximately 6 pounds (2.8 Kg) Mounting Self-supporting on rubber feet Custom Mobile Stand Custom Made Wall Mount Custom IV pole mount Attaches to bed rail Welch Allyn Vital Signs Monitor Monitor Service Manual 95P445E Rev. C...

  • Page 20: Electrical Specifications

    Storage Temperature -20 °C to +50 °C -4 °F to +122 °F Relative Humidity 15% to 90% (non-condensing) Operating Altitude -170 m to +4877 m -557 ft to +16,000 ft Service Manual 95P445E Rev. C Welch Allyn Vital Signs Monitor 13...

  • Page 21: Identification Label And Serial Numbering System Defined

    Section 1 General Information Identification Label and Serial Numbering System Defined The identification label for the 52000 Series Vital Signs Monitor is shown below. It is located on the bottom of the unit. 4341 State Street Road Skaneateles Falls, NY 13153 Figure 1-2.

  • Page 22: Tools Required For Service

    Table 2-1. Tools required for calibration and repair of the Vital Signs Monitor DESCRIPTION TOOL # Manufacture 100 cc Test Volume T112819 Welch Allyn (6 week lead time) 250 cc Test Volume T112818 Welch Allyn (6 week lead time) 500 cc Test Volume T112854...

  • Page 23: Test Equipment Bench Layout

    Vital Signs Monitor PC, IBM Nelcor Welch Patient Allyn 133 MHz. 9600 Simulator Calibrator Windows SRC-2 or SRC-Max Figure 2-1. Bench layout for re-calibration and testing of the Vital Signs Monitor. 16 Welch Allyn Vital Signs Monitor Service Manual 95P445E Rev. C...

  • Page 24: Voltage Calibration

    200 mmHg " 5 mmHg. Wait 15 seconds to allow the pressure to stabilize. Adjust the slide control of the software until Service Manual 95P445E Rev. C Welch Allyn Vital Signs Monitor 17...

  • Page 25: Loading Unit Software

    10 minutes to load the software. If the software file you have chosen is “Not Valid,” repeat steps 4 and 5, select the correct version and then proceed. If problems persist, please contact your nearest Welch Allyn Regional Service Center. 18 Welch Allyn Vital Signs Monitor...

  • Page 26: Section 3: Troubleshooting

    Inflate the unit, using the bulb and valve, to 250 mmHg. Confirm the unit meets the specification for leaking called out in the Repair Test Specifications in Appendix D. If the unit is leaking continue with step F. Service Manual 95P445E Rev. C Welch Allyn Vital Signs Monitor 19...

  • Page 27: Printer Functional Check

    If an error is present, ensure that the communication cable is connected to the Vital Signs Monitor. Re-try the test. If the error is still present, first, change the communication cable. If the error is still present, then change out the main PCB. Welch Allyn Vital Signs Monitor Service Manual 95P445E Rev. C...

  • Page 28: Calibration Tests

    Section 3 Calibration Tests Note: The following are the test procedures for the Welch Allyn Vital Signs Monitor. We set these procedures up so that you can start at section 3 and go straight through the procedures or you can skip around. However, you must complete each step called out in this section before a unit can be returned to service.

  • Page 29: Current Tests

    Troubleshooting Current Tests 1. Connect the Welch Allyn Vital Signs Monitor to the manual test station. Hook up the pressure lines to the tubing of the monitor and the RS 232/service port connector to the computer. Start the computer program by double clicking on its program icon.

  • Page 30: Print Quality

    3. Press “Close” button to exit from dialog box. Print Quality 1. Connect the Welch Allyn Vital Signs Monitor to the manual test station. Hook up the pressure lines to the tubing of the monitor and the RS 232/service port connector to the computer.

  • Page 31: Fail Safe Testing

    Select “Close” when all tests have been completed. Fail Safe Testing 1. Connect the Welch Allyn Vital Signs Monitor to the manual test station. Hook up the pressure lines to the tubing of the monitor and the RS 232/Service port connector to the computer.

  • Page 32: Spo 2 Tests

    7. Verify the readings of the unit meets requirements when compared to the Repair Test Specifications in Appendix D. 8. Reconnect the SpO sensor. Place the sensor onto your finger. The unit should return a reading if the sensor is OK. Service Manual 95P445E Rev. C Welch Allyn Vital Signs Monitor 25...

  • Page 33: Temperature Tests

    60 seconds and the unit will automatically change mode to the “monitor mode”. 3. Set up the Welch Allyn 9600 calibrator. Set the calibrator to 96.4 °F (35.8 °C) or use a water bath between 84 °F (28.8 °C) and 106 °F (41.1 °C). Allow the calibrator to stabilize for three (3) minutes.

  • Page 34: Self Diagnostic Fault Codes

    Real Time Clock Failure No Calibration Signature Error Codes Table 3-3. SpO error code table. ERROR CODE DESCRIPTION Internal Malfunction Bad Sensor or Wrong Sensor (MP506) Heart Rate out of range (MP506) Service Manual 95P445E Rev. C Welch Allyn Vital Signs Monitor 27...

  • Page 35: Temperature Error Codes

    5. Turn the unit off, and then turn the unit back on allowing it to boot up in the normal mode. 6. Remove the probe from the housing. You should see "188.8" then "ORL" appear. If this does not occur, please contact your local Welch Allyn Service Department. Welch Allyn Vital Signs Monitor Service Manual 95P445E Rev. C...

  • Page 36: Complaint / Cause / Corrective Action

    Many listeners incorrectly equate diastolic blood Differences of up to pressure with the disappearance of sound only 10mmHg is considered (Phase 5). The Welch Allyn Vital Signs Monitor normal and will occur was developed using the American Heart for a number of...
  • Page 37 4. Temperature Broken probe Replace probe. Malfunction Consult Technical Manual. Notify Biomedical department or Welch Allyn Technical Support. Wait for display window to read OrL before placing probe. Improper probe placement Place probe in most posterior sublingual pocket.
  • Page 38 • If cuff continues to pop off, notify Biomedical Department or Welch Allyn Technical Support. Cuff applied inside out Re- apply cuff. Make sure Welch Allyn label is facing away from arm. 10. Cuff deflating to Normal operation Typical time to take a reading is 20 to 45 seconds.
  • Page 39 Section 3 Troubleshooting Welch Allyn Vital Signs Monitor Service Manual 95P445E Rev. C...

  • Page 40: Front Housing

    13. Disconnect the printer flex circuit from the main board. 14. Disconnect 7-pin connector coming from the temperature connector PCB to the temperature PCB. 15. Disconnect the green wire 2-pin connector from the main board. Service Manual 95P445E Rev. C Welch Allyn Vital Signs Monitor 33...

  • Page 41: Main Pcb

    C. If the unit is free standing, turn the back towards you. Battery cover removal: 3. Remove four (4) Phillips head screws from the battery door with the Phillips bit. 4. Remove battery door. Battery removal from battery compartment: Welch Allyn Vital Signs Monitor Service Manual 95P445E Rev. C...
  • Page 42 17. Reconnect the temperature board connector to the main PCB socket. Note: Reassemble in reverse order. Verification of repair: 18. When completely assembled, switch the unit to “on” and perform a full functional check, including recalibration. Service Manual 95P445E Rev. C Welch Allyn Vital Signs Monitor 35...

  • Page 43: Dc To Dc Converter (Spo Units Only)

    16. Disconnect the green wire 2-pin connector from the main board. Note: The orientation of the green wire is towards the center of the main PCB, or away from the temperature board. Welch Allyn Vital Signs Monitor Service Manual 95P445E Rev. C...

  • Page 44: Figure 4-1. Dc To Dc Replacement

    Note: Reassemble in reverse order, no special techniques required. Verification of repair: 25. When completely assembled, switch the unit to “on” and perform a full functional check, including recalibration. Service Manual 95P445E Rev. C Welch Allyn Vital Signs Monitor 37...
  • Page 45 15. Disconnect the green wire 2-pin connector from the main board. Note: The orientation of the green wire is towards the center of the main PCB, or away from the temperature board. Welch Allyn Vital Signs Monitor Service Manual 95P445E Rev. C...

  • Page 46: Figure 4-2. Pressure Transducer Replacement

    Note: Reassemble in reverse order, no special techniques required. Verification of repair: 23. When completely assembled, switch the unit to “on” and perform a full functional check, including recalibration. Service Manual 95P445E Rev. C Welch Allyn Vital Signs Monitor 39...

  • Page 47: Display Pcb Removal

    15. Disconnect the green wire 2-pin connector from the main board. Note: The orientation of the green wire is towards the center of the main PCB, or away from the temperature board. Welch Allyn Vital Signs Monitor Service Manual 95P445E Rev. C...
  • Page 48 Note: Continue reassembly in reverse order of disassembly. Verification of repair: 27. When completely assembled, switch the unit to “on” and perform a full functional check, including recalibration. Service Manual 95P445E Rev. C Welch Allyn Vital Signs Monitor 41...

  • Page 49: Key Pad (Switch Array)

    13. Disconnect the printer flex circuit from the main board. 14. Disconnect 7-pin connector coming from the temperature connector PCB to the temperature PCB. 15. Disconnect the green wire 2-pin connector from the main board. Welch Allyn Vital Signs Monitor Service Manual 95P445E Rev. C...
  • Page 50 30. Insert and tighten torx fasteners with the torx t8 bit. Attaching the temperature board (option): 31. Align the temperature board so that the component side faces towards the center of the unit. Service Manual 95P445E Rev. C Welch Allyn Vital Signs Monitor 43...

  • Page 51: Temperature Pcb

    10. Disconnect the connector (red) from top of main board to relieve strain. 11. Unplug main 14-pin connector (red) from center of main PCB. 12. Disconnect pressure line from transducers. 13. Disconnect the printer flex circuit from the main board. Welch Allyn Vital Signs Monitor Service Manual 95P445E Rev. C...
  • Page 52 25. Reconnect the temperature connector cable to the temperature PCB. Note: Reassemble in reverse order. Verification of repair: 26. When completely assembled, switch the unit to “on” and perform a full functional check of the temperature function. Service Manual 95P445E Rev. C Welch Allyn Vital Signs Monitor 45...

  • Page 53: Specific Oxygen Board (Nonin Spo Pcb)

    15. Disconnect the green wire 2-pin connector from the main board. Note: The orientation of the green wire is towards the center of the main PCB, or away from the temperature board. Welch Allyn Vital Signs Monitor Service Manual 95P445E Rev. C...

  • Page 54: Figure 4-3. Rtv Removal From Nonin Spo 2 Pcb

    Note: Each wire will terminate at a specific pin position on the SpO jack. Therefore, reconfirm that all connections are correct by pinning out your work. Use Figure 4-4 to verify connections. Figure 4-4. SpO jack, wire side. Service Manual 95P445E Rev. C Welch Allyn Vital Signs Monitor 47...

  • Page 55: Specific Oxygen Board (Nellcor Spo Pcb - Mp205 Or Mp506)

    8. Remove six (6) Phillips screws with the Phillips bit. 9. Carefully separate the front and rear housings. Disconnection of connectors: 10. Disconnect the connector from top of main board to relieve strain. Welch Allyn Vital Signs Monitor Service Manual 95P445E Rev. C...
  • Page 56 Note: Reassemble in reverse order of disassembly. Verification of repair: 25. When completely assembled, switch the unit to “on” and perform a full functional check of the SpO function. Service Manual 95P445E Rev. C Welch Allyn Vital Signs Monitor 49...

  • Page 57: Pump/Motor Assembly

    15. Disconnect the green wire 2-pin connector from the main board. Note: The orientation of the green wire is towards the center of the main PCB, or away from the temperature board. Welch Allyn Vital Signs Monitor Service Manual 95P445E Rev. C...
  • Page 58 26. Connect the tube to the barb fitting of the pump. Note: Reassemble in reverse order of disassembly. Verification of repair: 27. When completely assembled, switch the unit to “on” and perform a full functional check and recalibration. Service Manual 95P445E Rev. C Welch Allyn Vital Signs Monitor 51...

  • Page 59: Valve (Pneutronics)

    15. Disconnect the green wire 2-pin connector from the main board. Note: The orientation of the green wire is towards the center of the main PCB, or away from the temperature board. Welch Allyn Vital Signs Monitor Service Manual 95P445E Rev. C...

  • Page 60: Figure 4-5. Bottom View Of Valve (Pneutronics)

    Verification of repair: 28. When completely assembled, switch the unit to “on” and perform a full functional check and re-calibration. Service Manual 95P445E Rev. C Welch Allyn Vital Signs Monitor 53...

  • Page 61: Printer/Printer Pcb/Keypad

    15. Disconnect the green wire 2-pin connector from the main board. Note: The orientation of the green wire is towards the center of the main PCB, or away from the temperature board. Welch Allyn Vital Signs Monitor Service Manual 95P445E Rev. C...
  • Page 62 (5) screws with plastic insulators. Verification of repair: 29. When completely assembled, switch the unit to 'on' and perform a full functional check of printer. Re-calibrate. Service Manual 95P445E Rev. C Welch Allyn Vital Signs Monitor 55...

  • Page 63: Battery Placement

    2. Remove the (4) Phillips head screws holding the battery cover/handle to the unit using the Phillips bit. 3. Lift cover and remove. 4. Lift battery from housing and disconnect the connectors. Note: Reassemble in reverse order. Welch Allyn Vital Signs Monitor Service Manual 95P445E Rev. C...

  • Page 64: Appendix A: Repair Parts List Repair Parts List

    KIT,VSM REPAIR,678 TEMP PCB 130S53 KIT,VSM REPAIR,678 TEMP C.B. 130S58 KIT, MOUNTING PLATE 130S59 KIT, LUG & SCREW 130S6 KIT,REPAIR,PNEUMATIC CONN 130S64E KIT,5.17 S/W UPGRADE 14P1730 BRACKET,TEMP BOOT 14P1734 BRACKET, NELLCOR Service Manual 95P445E Rev. C Welch Allyn Vital Signs Monitor 57...
  • Page 65 45P3286D LABEL,CONN,BP/TEMP/SPO 45P3294 LABEL,PRINTER PAPER 45P3296 SHIELD,ESD,PRINTER 45P3320 LABEL,SUB,WHITE,FRONT PANEL 45P3321 LABEL,SUB,WHITE,CONNECTOR 45P3328-2 LABEL,NELLCOR SENSOR 45P3343EA LABEL,FRONT PANEL,BP,ENGLISH 45P3343EB LABEL,FRT.PANL.BP,SPO ,ENGLISH 45P3343EC LABEL,FRT.PANL.BP,TEMP,ENGLISH 45P3343ED LABEL,FRONT PANEL,VSM,ENGLISH 45P3343FA LABEL,FRONT PANEL,BP,FRENCH 58 Welch Allyn Vital Signs Monitor Service Manual 95P445E Rev. C...
  • Page 66 LABEL,ERROR CODE,RIGHT VSM 45P3352S LABEL,ERROR CODE,RIGHT,VSM 47S1090A ASSY,PNEUMATIC TUBING,VSM 48P381 FITTING, T 48P386 FITTING,T,.125 X.063 4S307 ASSY. BASKET PLATE 51P746 CLIP,NELLCOR SENSOR 5200-08 CALIBRATION T FITTING 5200-101A TRANSFORMER,120VAC/60 HZ,8 Vdc Service Manual 95P445E Rev. C Welch Allyn Vital Signs Monitor 59...
  • Page 67 620530 D CONN.LOCATOR\NELLCOR MP506 620532 NELLCOR MP506 SPO 620535 NELLCOR MP506 PATENT LABEL 66P812 CABLE,DB9 FEMALE,42IN. LO 66S516 CABLE,FLAT,24 CONDUCTOR 66S530 CABLE,FLAT,18 COND,7.5 IN 66S532 OBS. - CABLE,SPO ,NONIN 60 Welch Allyn Vital Signs Monitor Service Manual 95P445E Rev. C...
  • Page 68 SCREW, #4-40 X 0.375 PHP 9P2494 SCREW, #4-40 X 0.875 PHP 9P2842 SCREW, 2-28 X .312 9P2843 SCREW, 2-28 X .50 9P2847 SCREW,2-28x.75,TORX PAN H 9P2849 SCREW,2-28 X .563 OC-3 CABLE,OXICLIQ SENSOR,OC-3 Service Manual 95P445E Rev. C Welch Allyn Vital Signs Monitor 61...
  • Page 69 Appendix A Repair Parts 62 Welch Allyn Vital Signs Monitor Service Manual 95P445E Rev. C...

  • Page 70: Appendix B: Product Structure/Accessories Product Structure/Accessories

    5082-206-3 Adult size durable, one piece cuff (includes connectors) 5082-207-3 Large adult size durable, one piece cuff (includes connectors) 5082-208-3 Extra-large adult size durable, one piece cuff (includes connectors) Service Manual 95P445E Rev. C Welch Allyn Vital Signs Monitor 63...
  • Page 71 D-YSE Ear Clip (use with Dura-Y sensor) D-YSPD PediCheck Pediatric Spot Check (use with Dura-Y sensor) OXICLIQ P Pediatric Oxygen Transducer, use with OC-3 cable OC-3 OXICLIQ Sensor Cable 64 Welch Allyn Vital Signs Monitor Service Manual 95P445E Rev. C...
  • Page 72 Printer Paper (box of 6 rolls) 5200-84 Lead-Acid Battery (6 volt, rechargeable) 5200-85E Operator Manual (English version) 5200-145E Technical Service Manual 5200-100 Monitor Carrying Case 5200-170 Connectivity Tool Kit Service Manual 95P445E Rev. C Welch Allyn Vital Signs Monitor 65...
  • Page 73 Appendix B Accessories 66 Welch Allyn Vital Signs Monitor Service Manual 95P445E Rev. C...
  • Page 74 Drawings Appendix C 130S53 Temperature Connector Board For 678 130S52 Temperature 74P103 130S4 Switch Array Display Service Manual 95P445E Rev. C Welch Allyn Vital Signs Monitor 67...
  • Page 75 Black Side Up Fold Over Bend Shield to Cover C1 as Required 5P1040 130S18 Temp Plug Printer Housing 5P1042 Paper Access 35P1395 (Does not Include Labels) Front Housing 74P103 Switch Array Welch Allyn Vital Signs Monitor Service Manual 95P445E Rev. C...

  • Page 76: Appendix C: Assembly Drawings/Board Layout Assembly Drawings/Board Layout

    Drawings Appendix C 5P1039 Back Panel 130S14 Battery Plate 35P1361 Stuff Wires Into Battery Temp Compartment After Seating 5200-84 Probe Battery Battery Assembly Housing Service Manual 95P445E Rev. C Welch Allyn Vital Signs Monitor 69...
  • Page 77 SpO2 Cable For MP506 130S48 66S547 Nonin RS232 SpO2 Cable Cable4 113S459 Power Jack 35P1361 Temperature Housing 130S6 130S20 Pneumatic 66S541 Nonin SpO2 PCB Connector Main Harness 620532 With Speaker Nellcor SpO2 MP506 Welch Allyn Vital Signs Monitor Service Manual 95P445E Rev. C...
  • Page 78 Drawings Appendix C 59P586 Rubber Feet 77S587 Printer Assy. Service Manual 95P445E Rev. C Welch Allyn Vital Signs Monitor 71...
  • Page 79 Appendix C Drawings 130S45 Main PCB Welch Allyn Vital Signs Monitor Service Manual 95P445E Rev. C...
  • Page 80 Drawings Appendix C Service Manual 95P445E Rev. C Welch Allyn Vital Signs Monitor 73...
  • Page 81 Appendix C Drawings Welch Allyn Vital Signs Monitor Service Manual 95P445E Rev. C...

  • Page 82: Repair Tests Specifications

    4. The unit must be able to deflate a 500.0 cc (+ 100.0 cc/- 0 cc) calibrated cylinder from greater than 260.0 mmHg to less than 15.0 mmHg in 10 seconds or less. Service Manual 95P445E Rev. C Welch Allyn Vital Signs Monitor 75...

  • Page 83: Appendix D Repair Test Specifications

    "4.5 mmHg at 150 "5.0 mmHg. D. The primary transducer must be within "1.5 mmHg at 250 "5.0 mmHg. The safety transducer must be within "7.5 mmHg at 250 "5.0 mmHg. Welch Allyn Vital Signs Monitor Service Manual 95P445E Rev. C...

  • Page 84: Deflation Test

    0.05 mmHg. Hardware Fail-safe Tests Over pressure test: 14. Units hardware must detect over pressure on unit pneumatic system between 296.0 mmHg and 329.0 mmHg. Service Manual 95P445E Rev. C Welch Allyn Vital Signs Monitor 77...

  • Page 85: Spo Tests

    LEDs, putting the temperature board asleep, actuating the SpO and waiting 25 seconds for stabilization. Record the current, then subtract "Blank" mode current from the test current. Welch Allyn Vital Signs Monitor Service Manual 95P445E Rev. C...

  • Page 86: Temperature Option Testing

    97.3 °F (36.3 °C) (Using the CAL Key). 24. The unit must be able to read a temperature of 96.4 °F (35.8 °C) and a temperature of 106 °F (41.1 °C) within "0.3 °F ("0.2 °C) using the Welch Allyn 9600 Calibrator to obtain temperatures.
  • Page 87 Appendix D Repair Test Specifications Welch Allyn Vital Signs Monitor Service Manual 95P445E Rev. C...
  • Page 88 Printer Board Valve Temp probe Temp Cable Main Cable Pump Sensor Transformer Serial cable Printer Pressure Switch If a component(s) is replaced, indicate below: Description: SN out SN in Service Manual 95P445E Rev. C Welch Allyn Vital Signs Monitor 81...
  • Page 89 ° ° ° ° Temperature Cal Reading (96.4 96.4 F (35.8 " " ° ° ° ° ° Temperature Cal Reading (106 F (41 Nurse Call test ____Pass ____ Fail Welch Allyn Vital Signs Monitor Service Manual 95P445E Rev. C...

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