Propaq Encore Service Manual Rev B

iii

Contents 1 - Safety Summary... 1 Warnings... 1 Definitions... 3 Symbols... 3

2 - Overview... 5 Purpose and Scope... 5 Other Applicable Documents... 5 Unpacking Procedure... 5 Warranty Service... 6 Technical Support Services... 6 Recommended Service Intervals... 6 Identifying Propaq Encore Configurations... 7 Self Test and Service Menus... 9

3 - Functional Verification... 11 Introduction... 11 Safety Tests... 12 Functional Verification... 14

4 - Calibration... 33 Introduction... 33 Equipment Needed... 33 Procedures... 34 Setup... 34 Recharger Supply Adjustments... 35 Display Voltage Adjustments... 37 Main Power Supply Adjustments... 38 Calibrating Realtime ECG Out... 39 Non-Invasive Blood Pressure Calibration... 40 EMI Null Adjustment... 41 Invasive Blood Pressure... 41 MSP Board (MCO2) Calibration... 42

5 - Troubleshooting... 43 Introduction... 43 Screen Messages... 43 Non-Recoverable Error Codes... 44 Battery Capacity Check... 45

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Contents

Welch Allyn Propaq CS Vital Signs Monitor

6 - Repair Procedures... 47 Introduction... 47 Propaq Encore Software... 47 Required Tools... 48 Propaq Encore Options... 48 Field Replaceable Units in the Monitor... 49 Replacing the Power Input Fuse... 51 Replacing the Battery Pack... 52 Opening the Monitor... 55 Closing the Monitor... 59 Replacing the Analog Board... 59 Replacing the Digital Board... 61 Replacing the EL Display Module... 64 Removing the Front Panel Buttons... 66 Replacing the Recharger Board Fuse (F2)... 67 Replacing Air Tubing... 68 Replacing Cables... 69 Replacing PROMs... 70 Cuff Fittings... 71 Replacing the Recharger Board... 72 Replacing the Pump... 74 Replacing the Side Panels... 75 Expansion Module... 78 Replacing the Expansion Module Front Panel... 81 Replacing the Expansion Module Button Board and Buttons... 82 Replacing the Printer... 83 Opening the SpO2 Module... 85 Replacing the SpO2 Circuit Boards... 86 Replacing the MSP/SpO2 Circuit Boards... 87 Replacing the Sidestream CO2 Assemblies... 88 Replacing Expansion Module Side Panels... 91

7 - Technical Overview... 93 System Description... 94 Cabling Diagrams... 107 Expansion Module and Printer... 108 Pulse Oximetry (SpO2) Option... 110 Capnography (CO2)... 113

8 - Field Replaceable Units (FRUs)... 117 A - Manufacturable Test Equipment... 123 B - Dynatech/Nevada Patient Simulator Modification... 125

1

1 Safety Summary Warnings This Safety Summary should be read by all Propaq CS monitor users. Specific warnings and cautions are placed throughout the documentation where they apply. Caution: Federal (U.S.A.) law restricts this device to sale, distribution, or use by or on the order of a licensed medical practitioner. WARNING Place the Propaq monitor and accessories in locations where they cannot harm the patient if they fall from their shelf or mount. Lift the monitor only by its handle; do not lift it by any attached cables. WARNING Do not connect more than one patient to a monitor. Do not connect more than one monitor to a patient. WARNING Do not use the Propaq Encore in an MRI suite or a hyperbaric chamber. WARNING Do not autoclave the Propaq Encore. Autoclave accessories only if the manufacturer's instructions clearly approve it. Many accessories can be severely damaged by autoclaving. WARNING Inspect the power adapter cord periodically for fraying or other damage, and replace the adapter as needed. Do not operate the apparatus from mains power with a damaged power adapter cord or plug. WARNING Make frequent electrical and visual checks on cables and electrode wires. WARNING Safe interconnection between the Propaq monitor and other devices must comply with applicable medical systems safety standards such as IEC 60601-1-1. Within certain governmental jurisdictions, all interconnected accessory equipment must be labeled by an approved testing laboratory. After interconnection with accessory equipment, risk (leakage) current and grounding requirements must be maintained. WARNING As with all medical equipment, carefully route the patient cabling to reduce the possibility of patient entanglement or strangulation. WARNING Avoid electrosurgery burns at monitoring sites by ensuring proper connection of the electrosurgery return circuit so that the return paths cannot be made through monitoring electrodes and probes. WARNING During defibrillation, keep the discharge paddles away from ECG and other electrodes, as well as other conductive parts in contact with the patient. Avoid contact with any accessories connected to the Propaq’s left side panel.

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Safety Summary

Welch Allyn Propaq Encore Vital Signs Monitor

WARNING To ensure patient safety, the conductive parts of the ECG electrodes (including associated connectors) and other patient-applied parts should not contact other conductive parts, including earth ground, at any time. WARNING Do not operate this product in the presence of flammable anesthetics or other flammable substance in combination with air, oxygenenriched environments, or nitrous oxide; explosion can result. WARNING The pulse oximetry channel should NOT be used as an apnea monitor. WARNING This monitor is to be operated by qualified personnel only. The operator of this monitor should read this entire manual, the monitor Reference Guide or Directions For Use, and all accessory Directions For Use before operating the monitor. WARNING This monitor should only be repaired by qualified service personnel. The operator should not attempt to open the monitor case or perform any maintenance on the monitor except for procedures explicitly described in this manual that can be performed by operators such as inspection and cleaning. WARNING When using a power adapter with this monitor, be sure to connect the power adapter to a three-wire, grounded, hospital-grade receptacle. Do not under any circumstances attempt to remove the grounding conductor from the power plug of the power adapter. Do not plug the power adapter into an extension cord. If there is any doubt about the integrity of the protective earth ground of the receptacle for the power adapter, do not plug in the power adapter; operate the monitor only on battery power. Contact your biomedical engineering department for assistance in identifying the proper power receptacle and making appropriate power connections. WARNING To ensure conformance to risk (leakage) current requirements when operating from an ac mains power source, use only a Welch Allyn’ 503-0054 series power adapter. WARNING To ensure patient safety, use only accessories recommended or supplied by Welch Allyn. For a list of those accessories, see the Welch Allyn Products and Accessories book that accompanied this manual (PN 810-0409-XX). Accessories must be used according to your hospital’s standards and the manufacturer’s recommendations. Always refer to the manufacturer’s directions for use. WARNING A product that has been dropped or severely abused should be checked by qualified service personnel to verify proper operation and acceptable risk (leakage) current values. WARNING If the monitor detects an unrecoverable problem, an error message window appears containing an error number and a short message. Report such errors to Welch Allyn. WARNING The Propaq Encore should be serviced only by a Welch Allyn service technician while under warranty. Note

Within certain governmental jurisdictions, all interconnected accessory equipment must be labeled by an approved testing laboratory. After interconnection with accessory equipment, risk (leakage) current and grounding requirements must be maintained.

Service Manual

Safety Summary

3

Definitions Note

Identifies information that may be important to the reader.

Caution

Identifies conditions or practices that could result in damage to equipment or other property.

WARNING

Identifies conditions or practices that could result in personal injury.

Symbols The following symbols appear in the monitor documentation and on monitor labels. These internationally recognized symbols are defined by the International Electrotechnical Commission, IEC 878 and IEC 417A. Off (Standby)

Two-way communication port

On

Input port to monitor

For continued fire protection, use only the specified fuse.

Signal output port from monitor

Direct current

Alternating current

Caution: Refer to Reference Guide and accompanying documentation.

IPX1

Enclosure Protection Drip proof: Classification IPX1 per IEC Publication 529.

Battery charging when green indicator illuminated.

Temperature sensor input

All patient connections are Type CF, isolated for direct cardiac application, and protected against defibrillation.

Transformer meets requirements of a shortcircuit-proof safety-isolating power transformer.a

All patient connections are Type BF, and protected against defibrillation.

For indoor use only (on power adapter only).

Protected during defibrillation

Stacking limit by number n

This way up

Fragile

Temperature limits

n%

Keep away from rain

Humidity limit

Altitude limit n

All patient connections are Type B

The CE mark signifies the device has met all essential requirements of European Medical Device Directive 93/42/EEC for a Class 1 product.1

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Safety Summary

Welch Allyn Propaq Encore Vital Signs Monitor

The CE mark and notified body registration number signify Propaq CS Series monitors have met all essential requirements of European medical device directives 93/42/ EEC.

NRTL/C Evaluated to CSA 601-1 and UL2601-1

The Canadian Standards Association has evaluated this device according to CSA 6011 and Underwriters Laboratory Standard UL 2601-1.1

Single-use only (not reusable).

2

This device has been tested and certified by the Canadian Standards Association International to comply with applicable U.S. and Canadian medical safety standards. Apply the NIBP cuff as shown.

NIBP cuff sizes: Thigh Large adult Adult Small adult Child Infant a. This symbol is on the Universal Power Adapter.

5

2 Overview Purpose and Scope The Propaq Encore Service Manual is intended as a reference for monitor maintenance and repair to the field replaceable unit (FRU) level (“Field Replaceable Units (FRUs)” on page 117). This manual provides the technically qualified service person with troubleshooting information, repair procedures, and calibration and performance verification instructions. A technical overview of the monitor subsystems is provided as an introduction to the device’s circuitry and pneumatics. Note

Configurations vary nationally. Some early versions of the Propaq Encore do not include impedance pneumagraphy (RESP) in some countries.

This manual is intended for the technically qualified service person. Service training classes on Welch Allyn’ products are available. Contact Welch Allyn Technical Service for information.

Other Applicable Documents Several other documents are available for the Encore monitor. Refer to those documents for other than maintenance and repair information. Check the Encore Reference Guide for information on other user’s documentation. Title

Part Number

Propaq Encore Reference Guide, English

810-0640-XX

Products & Accessories Guide

810-0409-XX

Unpacking Procedure Use the following guidelines when unpacking the Encore monitor from its shipping carton. 1.

Before opening the Encore monitor shipping carton, check it for damage.

2. If damage is apparent, stop unpacking the carton and contact the shipping company for further instructions. If the carton is intact, unpack the Encore monitor. 3. With the Encore monitor out of its carton, check to see that all the items listed on the packing slip (provided with shipment) are in the shipping carton. 4. If an item is missing, first recheck the carton, then check with your receiving department. If necessary, contact Welch Allyn at the address and phone number shown below.

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Overview

Welch Allyn Propaq Encore Vital Signs Monitor

Note

Save the shipping carton and packing material for repacking the Encore monitor in case it needs to be sent to a repair center or back to Welch Allyn for service.

Warranty Service DO NOT ATTEMPT TO REPAIR the Encore monitor yourself during the warranty period. For service and repair, contact Welch Allyn as described below.

Technical Support Services Welch Allyn offers a wide range of technical support services including: •

24-hour telephone support

•

loaner equipment

•

service contracts

•

field replaceable units (FRUs)

•

factory repair

For any of these services, contact Welch Allyn Technical Support at the following numbers: USA 1-800-535-6663 Latin America (+1) 305-669-9591

France (+33) 1-60-09-33-66

Australia (+61) 2-9638-3000

Germany (+49) 7477-927-173

Singapore (+65) 6291-0882

European Call Center (+353) 469-067-790

Canada 1-800-561-8797

Japan (+81) 3-5212-7391

United Kingdom 0-207-365-6780

South Africa (+27) 11-777-7509

China (+86) 21-6327-9631

Worldwide Internet Access World Wide Web (WWW) URL: http://www.monitoring.welchallyn.com/service World Wide E-mail: [email protected]

Recommended Service Intervals At the intervals listed below, check the Encore monitor for normal operation. Interval/Condition

Perform

Located in this manual

Every 6 months to 2 years (according to hospital protocols).

Complete risk (leakage) current Safety Check followed by a Functional Verification.

“Functional Verification”

If battery does not retain a charge.

Check battery pack capacity.

“Troubleshooting”

Monitor is dropped or suspected of Complete Safety Check followed by Functional damage or rough handling. Verification.

“Functional Verification”

Suspected malfunction with all or part of monitoring parameters.

Functional Verification of suspected parameter(s). “Functional Verification”

Monitor does not pass Functional Verification.

Calibration of monitoring parameter circuits, or repair, followed by Safety Check and Functional Verification.

“Functional Verification” and “Calibration”

Service Manual

Overview

7

WARNING If the monitor is opened for repair or calibration, a dielectric strength test must be completed to ensure the integrity of the patient isolation barrier. The dielectric strength test procedure is provided in “Functional Verification” on page 11.

Identifying Propaq Encore Configurations The following table identifies Propaq monitor configurations and how they are indicated. The model-option number and serial number are located on the back of the housing. The monitor indicators are located under the handle on the back. Table 1. Monitor Configurations Model

Propaq Encore Monitor

202-EL

ECG, NIBP, Two Temps, Resp, EL Display

204-EL

ECG, NIBP, Two Temps, IBP, Resp, EL Display

206-EL

ECG, NIBP, Two Temps, 2 IBP, Resp, EL Display

SpO2-Only Module

Expansion Module a.

Option

Parametersa

Product

210

(See next table.)

The Acuity option is available with all models.)

SpO2 and one of the following: Nellcor MP-405 (Top level assembly 007-0059-XX) Nellcor MP-203 (Top level assembly 007-0020-XX) Nellcor MP-507 (Top level assembly 007-0109-XX) Masimo MS3 (Top level assembly 007-0060-XX)

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Overview

Welch Allyn Propaq Encore Vital Signs Monitor

Table 2. Expansion Module Option Configurations Option Number

Printer

Mainstream CO2

Sidestream CO2

SpO2

Top Level Assembly Number

221

Yes

No

No

N/A

007-0046-XX

222

No

No

No

Nellcor MP-203

007-0050-XX

223

Yes

No

No

Nellcor MP-203

007-0047-XX

223

Yes

No

No

Nellcor MP-203

007-0051-XX

223

Yes

No

No

Masimo MS3

007-0069-XX

223

Yes

No

No

Nellcor MP-405

007-0086-XX

223

Yes

No

No

Nellcor MP-507

007-0116-XX

224

No

Yes

No

Nellcor MP-203

007-0049-XX

224

No

Yes

No

Masimo MS3

007-0070-XX

224

No

Yes

No

Nellcor MP-405

007-0085-XX

224

No

Yes

No

Nellcor MP-507

007-0115-XX

225

Yes

Yes

No

Nellcor MP-203

007-0048-XX

225

Yes

Yes

No

Masimo MS3

007-0071-XX

225

Yes

Yes

No

Nellcor MP-405

007-0084-XX

225

Yes

Yes

No

Nellcor MP-507

007-0114-XX

226

No

No

Yes

Nellcor MP-203

007-0045-XX

226

No

No

Yes

Masimo MS3

007-0072-XX

226

No

No

Yes

Nellcor MP-405

007-0083-XX

226

No

No

Yes

Nellcor MP-507

007-0113-XX

227

Yes

No

Yes

Nellcor MP-203

007-0043-XX

227

Yes

No

Yes

Masimo MS3

007-0073-XX

227

Yes

No

Yes

Nellcor MP-405

007-0082-XX

227

Yes

No

Yes

Nellcor MP-507

007-0112-XX

228

No

Yes

Yes

Nellcor MP-203

007-0052-XX

228

No

Yes

Yes

Masimo MS3

007-0074-XX

228

No

Yes

Yes

Nellcor MP-405

007-0081-XX

228

No

Yes

Yes

Nellcor MP-507

007-0111-XX

229

Yes

Yes

Yes

Nellcor MP-203

007-0044-XX

229

Yes

Yes

Yes

Masimo MS3

007-0075-XX

229

Yes

Yes

Yes

Nellcor MP-405

007-0080-XX

229

Yes

Yes

Yes

Nellcor MP-507

007-0110-XX

Service Manual

Overview

9

Self Test and Service Menus The Encore monitor includes built-in self-tests that verify the integrity of its hardware and software each time you turn it on. If the monitor turns on and displays the Main Menu, all self-tests were passed. If a self-test results in a failure, a message and error code are displayed indicating the failure mode. Refer to “Troubleshooting” on page 43 and contact Welch Allyn Technical Support for help. The Encore monitor contains software routines that make the Functional Verification and Calibration procedures quicker and easier. You access these routines through the Service Menus as indicated in each of the procedures. The figure below shows the hierarchy of the Service Menus once you enter the top level Service Menu. The procedures in this manual indicate which buttons to push by separating each button menu name with the (>) character. For example, to access the Service Menu, the procedures would indicate for you to press SETUP > MORE > MORE > SERVICE > YES, which means you press the SETUP button, then the MORE button, then the MORE button, then the SERVICE button, and finally the YES button. Note

The figure illustrates all Service Menu functions. Some of these functions are not available if you do not have the appropriate option.

service menus

NIBP TEST

IBP TEST

SpO2 TST

CO2 TEST

MORE

PUMP TEST

AUTO PMP

NIBP CAL

ZERO

PREV MENU

TEMP TEST

PIXL TEST

NET TST

CYCLE

CHECKER 1

CHECKER 2

LOOP TEST

MORE

BORDER

OUT TEST

MAIN CAL

MAIN TEST

SIDE CAL

SETTINGS

KEY TEST

SYSTEM

KEY 0

KEY 1

KEY 2

NEXT

CHANGE

PREV MENU

PREV MENU

SIDE TEST

PREV MENU

MORE

(Software v. 2.5X only) KEY 3

PREV MENU

ALL ALARM

PREV MENU

11

3 Functional Verification Introduction The functional verification procedures ensure proper operation of the Encore monitor and its options. These procedures should be performed following module-level repairs, calibration, or whenever there is a question about the accuracy or safety of the patient functions. Use the calibration procedures (“Calibration” on page 33) to return the monitor to operation within its performance specifications. If the monitor does not pass the functional verification, or when it is time to do a routine calibration, see “Calibration” on page 33. WARNING Whenever the monitor is opened for calibration or repair, a risk (leakage) current safety check as well as a dielectric strength integrity (hi-pot) test must be performed as described in this section. The Encore’s service menu facilitates the functional verification. It has several features for testing and verifying the NIBP (cuff) channel, display, invasive pressure channel, and printer. Refer to “Overview” on page 5 for information about the Service Menu.

Self Tests Many functions, such as alarms, waveform and scale sizing, and printer control, are software operations. During the monitor’s power-up self-test, the integrity of all programming is checked first. If software testing is successful, hardware tests are initiated. If all testing is successful, the monitor is ready for use. (See “Troubleshooting” on page 43 for information on error messages.)

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Functional Verification

Welch Allyn Propaq Encore Vital Signs Monitor

Required Equipment You will need the following equipment to verify that all functions of the Encore operate correctly. All test equipment must be calibrated to function within parameters specified by the manufacturer, and must be traceable to a national calibration standard. Some equipment can be manufactured. See “Manufacturable Test Equipment” on page 123 for information on manufacturable test equipment. Table 3. Required Equipment Description Luer connector, male, for use with 1/8" I.D. tubing (Value Plastics, MTLL230-1) Luer connector, female, for use with 1/8" I.D. tubing (Value Plastics, FTLL230-1) Test water trap, Welch Allyn, 008-0370-00 1/8" inside diameter tubing Flow meter, Cole Parmer E 32000-06, 200ml/min. or equivalent 0 to 300 mmHg calibrated digital pressure meter, with inflation squeeze bulb (Netech, Digamano, or equivalent) 50 MHz triggered sweep oscilloscope Variable dc power supply, 0-28 V, 3A with voltage and current metering Dynatech/Nevada 213A, 214A, 215A, or 217A with IBP, Temperature, and EGG Cable/Leads Adult cuff (provided with monitor); Neonatal cuff #3; 3 cm diameter solid cylinder; solid cylindrical object about the size of an adult’s arm Welch Allyn cuff calibration kit, Welch Allyn PN 008-0012-XX Power supply adapter cable, Welch Allyn PN 008-0290-00 Physio Control LifePak 5 or LifePak 6s with appropriate Welch Allyn Defib Sync adapter to use as Defib Sync Marker pulse source Propaq ac power adapter (provided with the Encore) Safety analyzer, Dynatech/Nevada, 431F-1D or equivalent Rod-L Model M100AVS5 high-voltage potential (hi-pot) tester, or equivalent Static-free work area SpO2 Simulator, Fluke (Biotek) Index 2 XL/XLFE Test gas source: dry 4% to 10% CO2, balance air (with flow meter). Gas may be between 4% and 10%, but exact CO2 concentration must be certified to ±0.01. (Convert percentage to partial pressure (mmHg) as instructed in “Partial pressure of test gas source” on page 27.)a Two rubber test tube stoppers, with 1/8" to 1/4" holes drilled through (for CO2 tests) a.

Of the gas tolerance available, usually described as ±0.03% absolute, the container must contain at least 2,000 psi grams of gas, to be within ±0.01% of the certified percentage of gas stated on the tag supplied by the vendor. The acutal percentage of gas in the container may vary from lot to lot.

Safety Tests The following two safety tests, a risk (leakage) current safety check and a dielectric strength integrity (hi-pot) test, must be performed whenever the Encore has been opened for calibration or repair.

Service Manual

Functional Verification

Note

13

A hi-pot test is only required if the monitor has been opened.

Risk (Leakage) Current Test A risk (leakage) current test must be performed to verify that the patient remains electrically isolated from the power circuits of the Encore. Check leakage currents using a Dynatech/Nevada 431F-1D safety analyzer or its equivalent. The source current should not exceed 10μA rms. The sink current, measured between the isolated patient connections (ECG) and the dc power input connector of the monitor, should not exceed 20μA rms. See the analyzer's operator's manual for the proper safety check procedure. Note

Because of the all-insulated construction of the monitor, an Enclosure Leakage Current Test to ground is not necessary.

Table 4. Electrical Connections for Patient Risk (Leakage) Current Safety Tests Safety Test

Power Adapter

Monitor dc Input

Monitor Cable

Safety Analyzer

Source current

Plugged into analyzer outlet

Connected to power adapter

RA LA LL C RL

RA LA LL C RL

Sink current

Not used

Connected to ground connector on analyzer

RA LA LL C RL

RA LA LL C RL

Dielectric Strength (Hi-Pot) Test Because of the close spacings of the monitor's internal components and the critical positioning of the insulation sheet within the monitor, Welch Allyn recommends that a dielectric strength test be performed following any procedure in which the monitor is opened. WARNING The Hi-Pot test is extremely hazardous. Only qualified service personnel should perform this test. Conduct the test only on an insulated table top, away from other people and equipment. Use a Rod-L Model M100AVS5 high-voltage potential tester, or equivalent. Refer to the Rod-L instruction manual for operating information and safety recommendations. 1.

Set the high voltage potential of the tester as specified in the table below.

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Functional Verification

Welch Allyn Propaq Encore Vital Signs Monitor

Table 5. Summary of Connection Points and High-Voltage Test Potentials Tester's high-voltage terminal connection

Tester's grounded return connection

High-voltage test parameters

All ECG leads on patient cable connected together

DC input connector; all pins connected Output: 4000 V ac rms together Current Limit: 2.5mA Ramp-up: 8 seconds Dwell: 1 second

2. Connect the high-voltage output lead of the tester to all ECG leads, using a dedicated patient cable reserved for use only in such tests. 3. Connect the tester's chassis-connected return lead to the monitor's dc input connector, using a suitable plug. 4. Apply the test voltage for one second. The tester must not indicate dielectric breakdown. WARNING If any dielectric breakdown occurs, do not use the monitor. All internal sheet insulation barriers must be properly installed. Check the monitor to determine the cause of dielectric breakdown; then repair the monitor or return the monitor to Welch Allyn for repair.

Functional Verification The functional verification must be done only when the monitor is fully assembled. If the monitor has been stored for longer than one month without the monitor connected to the ac adapter (for recharging), the battery voltage must be checked. The battery must be replaced if it cannot hold a charge. Refer to “Battery Capacity Check” on page 45. Note

Some configurations of the Encore monitor do not include impedance pneumography (RESP) and other neonatal monitoring parameters. In these versions, RESP does not appear in menus or on the screen displays. You can ignore RESP and other terms relating to neonatal monitoring when indicated in the following instructions. If you plan to use a Dynatech/Nevada model 213A, 215A, or 217A Patient Simulator to simultaneously simulate ECG and invasive blood pressure, see “Dynatech/Nevada Patient Simulator Modification” on page 125 for important information. Before starting the verification procedures, charge the battery for at least 8 hours with the monitor turned off. (Charge for 12 hours if a Printer or SpO2 module is attached.)

Power System The following steps check the integrity of the Encore’s power system. 1.

Turn the ac power adapter’s power switch off.

2. Plug the ac power adapter into an ac mains receptacle and connect it to the Encore’s right side panel dc power connector. 3. Check that the green LED charging indicator on the monitor’s right side panel is off.

Service Manual

Functional Verification

15

4. Turn on the power adapter’s power switch. 5. Check that the green LED on the power adapter turns on and that the green LED charging indicator on the monitor’s right side panel turns on. 6. Disconnect the power adapter from the monitor. Check that the monitor’s green LED charging indicator on the right side panel turns off. Caution In the next steps, carefully check for the proper polarity of the connection between the power supply and the monitor. If voltage is applied with the wrong polarity, it will open the right side panel fuse (F1). Refer to the figure below to verify proper polarity. 7.

Set the dc power supply meter to Volts and turn the power switch on; set it for 15.0V ± 0.1V.

8. Turn off the dc power supply. 9. Using the Welch Allyn dc power supply adapter cable, refer to the figure below for polarity and connect the dc power supply to the monitor's dc input connector on the right side panel.

0696-02

RIBBED (+)

SMOOTH (-)

10. Turn on the dc power supply. 11. Check that the green LED indicator lights up. Note

Initial charge current for a low battery is higher than for a charged battery. As the battery charges, the current will decrease. The current draw may slowly drop the longer the dc supply is connected to the monitor.

12. Switch the dc power supply meter to current and check that the current draw from the supply is less than 1.8 A.

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Functional Verification

Welch Allyn Propaq Encore Vital Signs Monitor

13. Vary the power supply from 12 V to 28 V and verify that the charging LED stays on. 14. Turn off the power supply. 15. Disconnect the supply from the monitor.

System Tests The following procedures check that the buttons operate properly, that the display works correctly, and that the date is correctly displayed. 1.

Turn on the monitor.

2. Verify that no error messages appear and the monitor correctly powers up. 3. Press SETUP > MORE > MORE > SERVICE > YES > MORE > PIXL TST to test the display. 4. Press CYCLE three times, each time verifying that no pixels are missing. 5. Press MAIN MENU twice. 6. Press SETUP > WAVE SEL > INSERV to access the inservice features. This generates simulated waveforms. 7.

If dual stream monitor, look for CO2 Sensor Change - Switching to Mainstream, YES or NO.

8. IBP screen indicates need to zero P1 or P2. 9. Press MAIN MENU. 10. Using the appropriate table below as a guide, press the indicated buttons in sequence and verify that the monitor responds as indicated and that the buttons do not stick.

Sequence for Software Versions 2.5 X

Press

Result

FREEZE/UNFREEZE

Freezes the waveforms

FREEZE/UNFREEZE

Unfreezes the waveforms

SETUP

Changes the menu

ALARMS

Changes the display to ALARM STATUS

4 SUSPND (on menu)

4 SUSPND changes to RESUME

ALARM SILENCE/RESUME (button)

Changes RESUME to 4 SUSPND

LIMITS

Changes display to HR Limits

NEXT

Moves cursor block: Next block within selected parameter limits, NEXT PAGE moves to next parameter

MAIN MENU (button)

Returns to the main menu

NIBP START/STOP (button)

Starts the NIBP pump

NIBP START/STOP (button)

Stops the NIBP pump

Service Manual

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17

Sequence for All Other Software Versions Press

Result

FREEZE/UNFREEZE

Freezes the waveforms

FREEZE/UNFREEZE

Unfreezes the waveforms

SETUP

Changes the menu

ALARMS

Changes the display to ALARM STATUS

SUSPEND (on menu)

SUSPEND changes to RESUME

ALARM SUSPEND/RESUME (button)

Changes RESUME to SUSPEND

ALL ALRM

Changes display: Turn All Off, Are You Sure, Y or N

LIMITS

Changes display to HR Limits

NEXT

Moves cursor block: Next block within selected parameter limits, NEXT PAGE to next parameter

MAIN MENU (button)

Returns to the main menu

NIBP START/STOP (button)

Starts the NIBP pump

NIBP START/STOP (button)

Stops the NIBP pump

1.

Press ECG/RESP > MORE. Then press CHANGE to select the four HR/PR TONE levels. Verify that the tone volume changes and goes off when turned OFF. Set the volume to LOW.

2. Press MAIN MENU. 3. Software versions 2.5X: Press SETUP > MORE > MORE > SERVICE > YES > MORE > MORE > SETTINGS > ALL ALRM. Verify alarm status displays "TURNING OFF ALL AUDIBLE VITAL SIGNS ALARMS", "ARE YOU SURE?", YES or NO. Then press MAIN MENU. 4. All software versions: Press SETUP > MORE > MORE (> TIME/DAY for monitor software less than version 2.0) and check that the displayed time and date are correct. If incorrect, press NEXT and UP or DOWN to select and change the time and date, and then set by pressing the ENTER button. 5. Turn off the monitor.

ECG/RESP Channel and Alarm Indicators The following procedures verify the ECG channel and the alarm indicator drivers. The setup procedure below is used for both the visual and the electrical checks that follow.

Setup 1.

Turn on the monitor and verify that it powers up correctly.

2. Put the monitor into FACTORY ADULT MODE. Software version 2.XX: SETUP > MORE > CHANGE > SETUP > USE NOW > YES Software version 1.XX: SETUP > MORE > CHANGE > ADULT > YES > MORE > PROGRAM > DEFAULT > YES 3. Press MAIN MENU.

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Functional Verification

Welch Allyn Propaq Encore Vital Signs Monitor

4. Set the patient simulator as follows: •

ECG Waveform: normal sinus rhythm

•

ECG Rate: 80 beats per minute (bpm)

•

ECG Size: 1 mV amplitude

•

Resp Lead: Lead I

•

Resp Baseline Impedance: 1 KΩ

•

Resp Rate: 40 breaths/minute (br/m)

•

Resp Breath Amplitude: 1.0Ω

5. Set the monitor as follows: •

Respiration Lead: Lead I (ECG/RESP > MORE; select lead and change as necessary)

•

ECG Lead: Lead II (ECG/RESP > ECG LEAD)

•

ECG Size: 1 mV (ECG/RESP > ECG SIZE)

•

Resp Size: 8X (ECG/RESP > RESP SZE)

•

Respiration ON (ECG/RESP > MORE; select and set RESP to ON)

•

ECG Sweep: 25 mm/Sec (SETUP > MORE; select and change HR/PR sweep as necessary)

•

Alarms (software versions 2.5X): Set alarm limits to OFF for HR/PR and RR/BR (SETUP > ALARMS > LIMITS > ON/OFF > NEXT > ON/OFF > NEXT PAGE > ON/ OFF > NEXT > ON/OFF. Press the MAIN MENU button. The ALARM(S) OFF light will turn on, indicating one or more alarm limits have been disabled.

•

Alarms (all other software versions): All alarms OFF (SETUP > ALARMS > ALL ALRM [software version 2.XX: press YES when prompted] until all alarms are off except for the Apnea alarm, which cannot be turned off. The ALARM(S) OFF light will turn on, indicating that one or more alarm limits have been disabled.

•

Audible vital signs alarms (software versions 2.5X): OFF (SETUP > MORE > MORE > SERVICE > YES > MORE > MORE > SETTINGS > ALL ALRM > YES. The ALARM light will turn on, indicating the patient alarms are suspended.

6. Connect the ECG channel to the patient simulator using all five ECG leads.

Part 1- Visual Check 1.

Press MAIN MENU.

2. Press the FREEZE/UNFREEZE button to freeze the waveform. 3. Check that a normal sinus rhythm ECG waveform is displayed with a peak-to-peak amplitude of 10 ±1 mm. There should be a soft beep tone with each QRS event. 4. Check that the monitor’s displayed respiration peak-to-peak amplitude is 12.5 ±1 mm. 5. Press FREEZE/UNFREEZE to unfreeze the display. 6. Check that the monitor's heart rate display is 80 ± 4 bpm, and the respiration rate is 40 ± 2 bpm before proceeding to the next step. 7.

Disconnect the LA ECG lead wire from the simulator.