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Vital Signs Monitor
300 Series
Service Manual
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ii Welch Allyn Vital Signs Monitor 300 Series © 2011 Welch Allyn. All rights are reserved. To support the intended use of the product described in this publication, the purchaseroftheproductispermittedtocopythispublication,forinternaldistributiononly,fromthemediaprovidedbyWelch Allyn. No other use, reproduction, or distribution of this publication, or any part of it, is permitted without written permission from Welch Allyn. Welch Allyn assumes no responsibility for any injury to anyone, or for a
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Service Manual iii Safety.........................................................1 General safety considerations .............................................1 Electrostatic discharge (ESD)..............................................2 Symbols ..............................................................3 Service overview.................................................5 Purpose and scope......................................................5 Technical support services........................
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iv Welch Allyn Vital Signs Monitor 300 Series
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1 1 Safety All personnel must read and understand all safety information presented in this manual before using or repairing the monitor. Caution Use only the Welch Allyn Monitor Service Utility (810-1784-XX) with this monitor. Software service tools, such as the “Custom Repair Software” (part number 130S29E), distributed for use with previous models of the Vital Signs Monitor, must not be used with the Model 300 Series. Use of any tool other than the Welch Allyn Monitor Service Utility (810-1784
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2 Safety Welch Allyn Vital Signs Monitor 300 Series � A monitor that has been dropped or otherwise damaged or abused must not be used until it has been tested and verified by qualified service personnel for proper operation. � If the monitor detects an unrecoverable problem, an error code and a brief message appear in the message display. Report all such errors to Welch Allyn. � While under warranty, the monitor must be serviced only by a Welch Allyn service technician. Electrostatic discharge (
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Service manual Safety 3 Symbols The symbols illustrated on the following pages appear on the monitor or in this document. Documentation symbols WARNING Indicates conditions that could lead to illness, injury, or death. Caution In this manual, indicates conditions that could damage equipment or other property. Caution On the product, means “Consult accompanying documentation.” Certification and operation labels This device has been tested and certified by the Urgent alarm notification (output to
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4 Safety Welch Allyn Vital Signs Monitor 300 Series Printer door label Press to open the printer door Load paper this direction The monitor front panel controls are described in more detail throughout this document. Front panel controls Set alarm limits Power on/off Silence alarms Print patient data Scroll up/down, Scroll forward/back, Review patient data Increase/decrease value (The scroll icon appears as these two arrows in the documentation.) Set an NIBP automatic measurement Start/stop an NI
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5 2 Service overview Purpose and scope This service manual is a reference for periodic preventive maintenance and corrective service procedures for the Vital Signs Monitor 300 Series. Corrective service is supported to the level of field-replaceable units. These include some circuit-board assemblies and some subassemblies, case parts, and other parts. (See “Replacement parts” on page 87 for a complete list of user-replaceable service parts.) Note Repair and replacement of the main board is not s
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6 Service overview Welch Allyn VSM 300 Series Returning products To return a product for service, contact Welch Allyn Technical Support and request a Return Material Authorization (RMA) number. Note Welch Allyn does not accept returned products without an RMA. When requesting an RMA, please have the following information available: � Product name, model number, and serial number � A complete return shipping address, including a contact name and phone number; include any special shipping instruct
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Service manual Service overview 7 Recommended service intervals Interval or Condition Action Recommended Procedure Page Every6-24 months Complete functional test Functional verification 9 (per hospital protocols) Battery does not hold a charge Check battery capacity Functional verification 9 Replace battery Disassembly procedure 55 Monitor has been dropped or Complete functional test Functional verification 9 otherwise damaged Monitor malfunctioning Complete functional test Functional verificati
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8 Service overview Welch Allyn VSM 300 Series The monitor runs a self-test and then displays the main software version number (M: X.XX.XX). Press repeatedly to cycle to the menu selection of interest. /min SYS SpO2 % DIA (mmHg) 3 seconds SERVICE MODE Power-up Self-test Main SW version RESET TO DEFAULT M: X.XX.XX YES NO NIBP SW version BP CYCLES:XXXXXX N:XX.XX.XX RUN TIME:XXXXX POWER OFF Exit Service Mode SpO SW version 2 BATTERY:X.XX V S:X.X.X.X Temperature SW version NIBP TEST T:X.X
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9 3 Functional verification Functional verification overview This section describes the procedure for a complete functional test to support recommended preventive-maintenance schedules. The verification includes tests for a monitor configured with the printer, temperature, and SpO options. Perform only the tests applicable to the actual configuration. 2 A checklist of the functional tests is provided on “Checklist and test results report form” on page 31. It is recommended that you print a copy
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10 Functional verification Welch Allyn VSM 300 Series Welch Allyn accessories and test equipment Order number Description 06138-000 Temperature test key (for testing the monitor only) 01802-110, 110 V 9600 Plus Calibration Tester 01802-220, 220 V (for testing the monitor and the temperature probe) 008-0265-XX Neonatal cuff hose, 96-inch 008-0620-XX Neonatal #1 cuff, disposable, box of 10 020-0702-XX Cuff simulator (or equivalent 500 cc test volume) 5200-101A DC power adapter 407590 Battery subst
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Service manual Functional verification 11 Functional verification procedure Reference illustration Fahrenheit Celsius Systolic window Print patient data /min Diastolic SYS SpO2 % Change settings window Monitored DIA Adult temperature Pediatric Increase/Decrease Neonatal Forward/Back Battery charged Message Battery charging window Battery low Power Review Set Start/ Set Silence On/Off patient NIBP stop alarm alarms data interval NIBP limits System/power Note Other than the optional NIBP overp
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12 Functional verification Welch Allyn VSM 300 Series Note Depending on the charge level of the battery, the charge LED may be either flashing or steady. flashing indicates that the monitor is running on AC, the battery is charging, and the battery is charged to less than 90% capacity. steady indicates that the monitor is running on AC, the battery may or may not be charging, and the battery is charged to at least 90% capacity. Battery substitution cable setup 1. Disconnect the power adapter. 2.
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Service manual Functional verification 13 e. Do not return the probe to the probe well. 2. If the SpO option is present: 2 a. Verify that the SpO sensor cable is connected to the monitor. 2 b. Verify that the current draw from the bench power supply is less than 800 mA. 3. Disconnect the SpO sensor (if equipped). 2 4. Insert the temperature probe (if the monitor is so equipped) into the probe well. Baseline current draw 1. With the monitor powered on, wait for the monitor LEDs to blank. In this
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-- -- 10 -- -- 20 -- -- 30 -- -- 40 -- -- 50 -- -- 60 ml 14 Functional verification Welch Allyn VSM 300 Series NIBP Note The tests described in this section are to be performed only as part of a complete functional verification procedure. Characterization test 1. Attach a neonate hose (part 008-0265-01) to the NIBP fitting on the monitor. 2. Prepare the 60-mL syringe as follows, with reference to the illustration below: a. Move the syringe plunger to the 35 mL line. b. Drill a small hole (for ex
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Service manual Functional verification 15 Leak test This tests the NIBP system for abnormal leakage. If the NIBP system is leaking, check for leaks in the external plumbing before opening the case to look for internal leaks. If you determine that any NIBP module component is causing abnormal leakage, you must replace the NIBP module before returning the monitor to clinical use. Caution Do not attempt component-level repair of the NIBP module. Any change to the NIBP module requires that the monit
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16 Functional verification Welch Allyn VSM 300 Series 7. Press several times to select 0 mmHg (0 kPa). The valve opens to release pressure. 8. Disconnect the neonate cuff. Pressure calibration verification This tests pressure readings on the monitor against a calibrated external pressure meter. 1. Put the monitor in Service mode: a. Power the monitor off. b. Power the monitor on while pressing . WARNING Do not connect the monitor to a patient while the monitor is in Service mode. Overpressure de
