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®
Micropaq Monitor
Service Manual
Model 406 and Model 408
Software version 1.7X
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ii Welch Allyn Micropaq Monitor Copyright 2008, Welch Allyn. All rights are reserved. No one is permitted to reproduce or duplicate, in any form, this manual or any part thereof without permission from Welch Allyn. Welch Allyn assumes no responsibility for injury or for any illegal or improper use of the product that may result from failure to use this product in accordance with the instructions, cautions, warnings, or indications for use published in this manual. ® ® ® ® ® Welch Allyn , Acuit
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iii Contents 1 - Safety summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 General safety considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Warnings and cautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Symbols . . . . . . . . . . . . . . .
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iv Contents Welch Allyn Micropaq Monitor Changing a custom network name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 4 - Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Troubleshooting chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Radio troubleshooting chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Alert messages and display informa
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1 1 Safety summary All users of the monitor must read this safety summary and all warning and caution statements in the manual. General safety considerations � If the monitor detects a problem that prevents it from operating properly, it displays an error message and error number. Report such errors to Welch Allyn. � Do not service a monitor under warranty. Servicing a monitor under warranty voids the warranty. All service on monitors under warranty must be performed by Welch Allyn. Contact
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2 Safety summary Welch Allyn Micropaq Monitor Caution Do not autoclave the monitor. Autoclave accessories only if the manufacturer's instructions clearly approve it. Many accessories can be severely damaged by autoclaving. Symbols The following symbols appear on the monitor or accessories. Symbol Definition Symbol Definition Direct current Enclosure Protection Drip proof: Classification IPX1 IPX1 per EN60529: 1991 Alternating current (battery charger) Fuse The CE Mark and Notified Body Regi
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Service Manual Safety summary 3 Symbol Definition Symbol Definition The monitor is connected to Acuity The monitor is not connected to Acuity (Flashing) The monitor is searching for a FCC ID: This device complies with FCC and connection to Acuity PGUWA11AO7 Industry Canada requirements for international radiators (802.11 wireless) IC: 4168a-WA11A07 Monitor front panel keys Select key and Silence Patient Alarm/Equipment Scroll Up key and Reset Alarm Tone key- Alert key- Selects the choice h
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4 Safety summary Welch Allyn Micropaq Monitor Electrostatic discharge (ESD) ATTENTION OBSERVE PRECAUTIONS CAUTION FOR HANDLING SENSITIVE ELECTRONIC DEVICES ELECTROSTATIC DO NOT SHIP OR STORE NEAR STRONG SENSITIVE DEVICES ELECTROSTATIC, ELECTROMAGNETIC, MAGNETIC OR RADIOACTIVE FIELDS. WARNING Electrostatic discharge (ESD) can damage or destroy electronic components. Handle static-sensitive components only at static-safe workstation. WARNING Assume that all electrical and electronic component
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5 2 Overview Purpose and scope This document provides instructions for disassembly and assembly, troubleshooting, functional testing and performance verification for the Micropaq monitor. This document covers the following monitors: � Micropaq Model 408 monitor, Masimo version � Micropaq Model 408 monitor, Nellcor version � Micropaq Model 406 monitor (ECG only) For service information about any other monitor, refer to the service manual for that monitor. Any service work not described in this
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6 Overview Welch Allyn Micropaq Monitor Technical support and repair services Service activity Monitor Battery charger Parts replacement Replace the display, front case and rear Replace only fuses (see procedure in this case. Contact Welch Allyn (see page ii) for manual). Contact Welch Allyn (see page ii) for service and monitor exchange policy. service and monitor exchange policy Calibration None required None required a Periodic service Every 6 months to 2 years (per hospital Every 6 months
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Service Manual Overview 7 � Put the monitor, enclosed in a plastic bag with a packing list, into the original shipping carton with the original packing materials or into another appropriate shipping carton. � Write the Welch Allyn RMA number with the Welch Allyn address on the outside of the shipping carton. Product configurations All models have FlexNet/Acuity communication enabled. Configurations for the available model numbers are as follows: Model Monitoring parameters Radio Card Part nu
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8 Overview Welch Allyn Micropaq Monitor Connectors, indicators and controls SpO Connector 2 ECG Connector Visual Alarm Indicator Liquid Crystal Display Select Key and Silence Patient Alarm/ Equipment Alert Key Scroll Up Key and Reset Patient Alarm Tone Key Snapshot Key Scroll Down Key and Main Menu Key SpO connector 2 clip (model 408) or cover (model 406) Battery pack latch Battery Back
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Service Manual Overview 9 Indicators Visual Alarm indicator Green Flashes slowly during normal operation. Red Flashes during patient alarm. Remains on continuously when alarms are silenced or suspended. Yellow Flashes during an equipment alert and while the monitor is not connected to the network. Remains on continuously if the operator suspends an alert at Acuity for 90 seconds or acknowledges (dismisses) a low battery alert from the monitor or Acuity. Flashing green indicates that the moni
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10 Overview Welch Allyn Micropaq Monitor Scroll Down and Main menu key � Scrolls down menus on the display. � Displays the Main menu. Select and Silence Patient Alarm/Equipment Alert key � Selects the choice highlighted on the menu. � During patient alarms, silences the tone at the monitor and Acuity (if connected) for 90 seconds. During equipment alerts, silences or acknowledges (dismisses) the alert at the monitor and at Acuity. Battery Insert the battery to turn on power. Remove the batter
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11 3 Functional verification This procedure helps to confirm the proper operation of the Micropaq monitor. No monitor disassembly is required. The following equipment is required: Model Required equipment 406 and 408 � Fluke Patient Simulator PS415, PS420, or MPS450 (or equivalent ECG patient simulator) � Micropaq ECG Cable (008-0522-XX) � Fully charged battery � Access to a properly functioning FlexNet network with an access point within range 408 with � Masimo adult SpO sensor for finger (008
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12 Functional verification Welch Allyn Micropaq Monitor Power-up test 1. Disconnect any patient cables connected to the monitor and remove the battery (if installed). 2. Insert a fully charged battery into the monitor. During power-up, the monitor performs a comprehensive self test of software. If software testing is successful, the monitor then tests internal hardware. If all tests are successful, the monitor completes power-up and displays the initial monitoring screen. 3. Confirm the foll
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Service Manual Functional verification 13 4. Press to highlight DISPLAY TEST, and then press to display the Display Test screen. Display Test screen 5. Press once to highlight CYCLE, and then press . Press to cycle through all display tests while observing the screen. Watch for any defects such as pixel deficiencies, stuck pixels, or nonuniform illumination. Optionally, you can run any of the other display tests (CHECKER 1 through CHECKER 4, and BORDER). Press to exit the display test, a
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14 Functional verification Welch Allyn Micropaq Monitor ECG and alarm indicators test 1. Turn on power to the ECG simulator and set the values as: � ECG waveform: Normal sinus rhythm � ECG rate: 80 beats per minute (bpm) � ECG size: 1mV amplitude 2. Power up the monitor by inserting the battery if it is not already on. 3. Connect the ECG cable to the monitor and to the ECG simulator using all five leads. 4. On the monitor, press the scroll down key ( ) to access the Main menu and use the scroll
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Service Manual Functional verification 15 9. Press to acknowledge the alert and suspend the alarm. 10. Verify the audio alert stops and the equipment alert is no longer displayed. 11. Reconnect the ECG cable from the monitor. 12. Increase the heart rate to 140 bpm on the patient simulator. 13. Verify the LED flashes red, an audio alert sounds, the HR bpm numeric flashes and “Patient Alarm” is displayed. 14. Press and verify the audio alarm suspends for 90 seconds, “Patient Alarm” is displaye
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16 Functional verification Welch Allyn Micropaq Monitor 9. Verify the LED flashes red, an audio alert sounds, the SpO and PR-BPM numeric 2 flashes, and “Patient Alarm” is displayed. 10. Press and verify the audio alarm suspends for 90 seconds, “Patient Alarm” is displayed and the LED remains red but is no longer flashing. 11. On the patient simulator, return the SpO saturation setting to 94 percent and pulse 2 rate setting to 60 bpm (with no motion artifact selected). 12. Verify the SpO nume
