Welch Allyn Spot Vital Signs 4400 Service Manual
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Welch Allyn Spot Vital Signs 4400 Service Manual

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Welch Allyn
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Spot Vital Signs 4400
Service manual
Software version 1.X

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Summary of Contents for Welch Allyn Spot Vital Signs 4400

  • Page 1 Welch Allyn ® Spot Vital Signs 4400 Service manual Software version 1.X...
  • Page 2 Nonin is a registered trademark of Nonin Medical, Inc. Software in this product is Copyright 2020 Welch Allyn or its vendors. All rights are reserved. The software is protected by United States of America copyright laws and international treaty provisions applicable worldwide. Under such laws, the licensee is entitled to use the copy of the software incorporated with this instrument as intended in the operation of the product in which it is embedded.

  • Page 3: Table Of Contents

    Overview ............................. 13 Purpose and scope ................................13 Technical support services ............................14 Recommended service intervals ..........................17 The Welch Allyn Service Tool ............................. 18 Battery performance ............................... 19 Controls, indicators, and connectors ................21 Advanced settings ........................23 Access Advanced settings ............................23 General tab ....................................
  • Page 4 Full functional verification and calibration ......................79 Options and upgrades ......................83 Available options ................................83 Upgrading software with the Welch Allyn Service Tool ................84 Upgrade the device firmware ........................... 85 Partners in Care service and support agreements ..................85 Service and repair training ............................

  • Page 5: Symbols And Definitions

    Follow instructions/directions for use (IFU) -- mandatory action. A copy of the IFU is available on this website. A printed copy of the IFU can be ordered from Welch Allyn for delivery within 7 calendar days. Power symbols...
  • Page 6 2 Symbols and definitions Alternating current (AC) Rechargeable battery Rated power input, DC Rated power input, AC Lithium-ion battery Connectivity symbols Miscellaneous symbols Manufacturer Defibrillation-proof Type BF applied parts Serial Number Reorder Number Product Identifier Recyclable Do not reuse, Single use Separate collection of device Electrical and Electronic...
  • Page 7 Symbols and definitions 3 Service manual Authorized Representative in This device has no alarms. the European Community Temperature limit Global Trade Item Number Stacking limit by number Keep dry Humidity limitation Mass in kilograms (kg) Maximum safe working load Non-ionizing electromagnetic limits radiation Screen symbol...
  • Page 8 4 Symbols and definitions...

  • Page 9: About Warnings And Cautions

    About warnings and cautions   Warning and caution statements can appear on the device, on the packaging, on the shipping container, or in this document. The device is safe for patients and clinicians when used in accordance with the instructions and the warning and caution statements presented in this manual.
  • Page 10 WARNING Equipment damage and personal injury risk. No modifications to the device are allowed by anyone other than a qualified Welch Allyn service representative. Modification of the device could be hazardous to patients and personnel.
  • Page 11 Never dispose of batteries in refuse containers. Always recycle batteries according to national or local regulations. WARNING Use only Welch Allyn approved accessories, and use them according to the manufacturer’s directions for use. Using unapproved accessories with the device can affect patient and operator safety and can compromise product performance and accuracy, and void the product warranty.
  • Page 12 WARNING The use of the Spot Vital Signs 4400 device adjacent to or stacked with other equipment or medical electrical systems should be avoided because it could result in improper operation.
  • Page 13 CAUTION Use only the Welch Allyn USB client cable to connect a laptop computer to the USB client port. Any laptop connected to the device must be running on a battery, a 60601-1 compliant power supply, or a 60601-1 compliant isolation transformer.
  • Page 14 10 About warnings and cautions Residual risk information This product complies with relevant electro-magnetic interference, mechanical safety, performance, and biocompatibility standards. However, the product cannot completely eliminate potential patient or user harm from the following: • Harm or device damage associated with electro-magnetic interference, •...

  • Page 15: Safety

    “Troubleshooting.” • To ensure patient safety, use only accessories recommended or supplied by Welch Allyn. (See the accessories list in the Appendix of the Instructions for use.) Always use accessories according to your facility’s standards and according to the manufacturer’s recommendations and instructions.
  • Page 16 12 Safety Electronic components and assemblies, if not properly protected against ESD, can be permanently damaged or destroyed when near or in contact with electrostatically charged objects. When you handle components or assemblies that are not in protective bags and you are not sure whether they are static-sensitive, assume that they are static-sensitive and handle them accordingly.

  • Page 17: Overview

    Purpose and scope This service manual is a reference for periodic preventive maintenance and corrective service procedures for the Welch Allyn Spot Vital Signs 4400 device. It is intended for use only by trained and qualified service personnel. Corrective service is supported to the level of field-replaceable units. These include circuit-board assemblies and some subassemblies, case parts, and other parts.

  • Page 18: Technical Support Services

    Partners in Care program. Whether you service your own devices and require a minimum of support or rely on us to service your device, Welch Allyn provides a program that will meet your needs. For more information visit our web site at https://www.welchallyn.com/en/...
  • Page 19 Qualified service personnel or a Welch Allyn Service Center should repair products out of warranty. If you are advised to return a product to Welch Allyn for repair or routine maintenance, schedule the repair with the service center nearest you.
  • Page 20 A purchase-order number or credit-card number if the product is not covered by a warranty. • A full description of the problem or service request. Obtain an RMA number. Either contact Welch Allyn and request an RMA number or visit us on the web: http://www.welchallyn.com/en/service-support/submit-a-repair.html.

  • Page 21: Recommended Service Intervals

    Put the device, 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.

  • Page 22: The Welch Allyn Service Tool

    Clinicians and technical service personnel can use the service tool to manage and maintain supported Welch Allyn products. You can use the service tool to do the following: Review device information. When connected to the device, the service tool lists installed •...

  • Page 23: Battery Performance

    Some of these features are enabled for any user (Standard unlicensed edition). Others require special user account privileges or a Welch Allyn service contract (Gold edition). If you require gold- level support for a Welch Allyn product, please contact Welch Allyn technical support.
  • Page 24 20 Overview • Whenever possible, keep the device plugged in to charge the battery. • Remove the battery when storing the device for an extended amount of time. • Replace batteries that trigger a low battery status message when fully charged. •...

  • Page 25: Controls, Indicators, And Connectors

    Controls, indicators, and connectors   NOTE Your model might not contain all of these features. Front-Left view No. Feature Description LCD screen 7" color touchscreen provides a graphical user interface. Thermometry probe well Houses the SureTemp probe on the device Battery charge and power-up status The LED indicates the charging and power-up status when indicator...
  • Page 26 22 Controls, indicators, and connectors No. Feature Description Power button Blue button on lower-left corner of the device. • Powers on the device • Provides power options for the device • Wakes up the device from Sleep mode Back-Bottom-Left view No.

  • Page 27: Advanced Settings

    Advanced settings   Advanced settings provide access to device preferences and service options. The following primary tabs are accessible in Advanced settings: • General. Settings for system language as well as date and time, plus open source software disclosure. • Parameters.

  • Page 28: Parameters Tab

    Review the open source software disclosure In Advanced settings, touch the General > Open Source tabs. Read Welch Allyn's disclosure about its use of "free" or "open source" software. Optionally, configure other advanced settings. When you are finished configuring advanced settings, touch Exit to return to the Home tab.
  • Page 29 Advanced settings 25 Service manual Algorithm default Select the default algorithm used to determine NIBP measurements. Cuff inflation target If the default algorithm is set to Step, enter a default cuff inflation pressure for each type of patient. Optionally, configure other advanced settings. When you are finished configuring advanced settings, touch Exit to return to the Home tab.

  • Page 30: Service Tab

    Perform general device service You can calibrate the touchscreen and check the functionality of NIBP accuracy on the device without use of the Welch Allyn Service Tool. In Advanced settings, touch the Service > General tabs. To verify the NIBP pressure valve accuracy, touch Close Valve.

  • Page 31: Power-Up Sequence

    Power-up sequence   Overview The system performs a power-on self test (POST) of the software and internal hardware each time the device is powered on. Specific tests performed include the following: • CVC-PIC tests • LED power tests • eMMC (memory) tests •...

  • Page 32: Power Up The Device

    WARNING Always observe the device during power-up. If any display fails to illuminate properly, or if a system fault code or message displays, inform qualified service personnel immediately, or call your nearest Welch Allyn Customer Service or Technical Support facility. Do not use the device until the problem is corrected.

  • Page 33: Reset The Device

    Power-up sequence 29 Service manual Reset the device Reset the device only when the device becomes unresponsive. Patient data and configuration settings will be cleared from device memory. Press and hold , located on the lower-left corner of the device. If there is a prompt with options to Power down, Sleep, or Cancel, continue to press several seconds.
  • Page 34 Power-up sequence...

  • Page 35: Disassembly And Repair

    Disassembly and repair   These procedures provide instructions for device disassembly and board removal, as well as component replacement and reassembly. Each part’s disassembly instructions might include one or both of the following: • Reassembly notes: This subsection contains information specific to reassembly. At a minimum, these notes indicate whether or not reassembly is the reverse of disassembly.

  • Page 36: Required Tools And Equipment

    32 Disassembly and repair CAUTION To avoid mismatching screws and holes, keep the screws for each piece with that piece as you remove modules and circuit assemblies. It is possible to mistakenly install machine screws in locations intended for plastite screws. Plastite screws have a Torx-pan head.
  • Page 37 Disassembly and repair 33 Service manual To remove a locking connector, squeeze the tab(s) to release the latch(es) and remove the cable. To connect a locking connector, push the mating pieces together until the latch(es) lock in place. Friction: Friction connectors use a spring mechanism to create friction between the contacts. •...
  • Page 38 34 Disassembly and repair CAUTION Do not use excessive force when releasing pressure on the connector. Excessive force may result in breaking the sliding outer piece. To remove a ZIF connector CAUTION Remove a flex cable only after the ZIF latch is open. Using a suitable tool (for example, a paper clip, small flat-head screwdriver, or needle-nose pliers), slide the latching piece of the connector away from the connector body.

  • Page 39: Disassembly Overview

    Disassembly and repair 35 Service manual CAUTION Do not use excessive force when releasing pressure on the connector. Excessive force may result in breaking the locking mechnanism. To remove a Self-Lock mechanism CAUTION Remove a flex cable only after the FHY connector latch is open.

  • Page 40: Power Down The Device

    36 Disassembly and repair NOTE After performing any of these procedures and before returning the device to service, you must use the service tool, Gold edition, to complete the full suite of functional tests to ensure that all systems are operating within the design specifications.

  • Page 41: Remove The Device From The Mobile Stand

    Disassembly and repair 37 Service manual Remove the device from the Mobile stand Disconnect the power cord from the wall. Disconnect the power supply and communication cables from the device. Remove the 4 Phillips screws from the back of the mount. Grasp the device securely and remove the device from the mount.

  • Page 42: Remove The Device From The 77794-M4400 Or 77794-2M4400 Integrated Wall Panel

    38 Disassembly and repair Grasp the device securely and remove the device from the mount. Reassembly notes NOTE Remounting the device is the reverse of removal. Remove the device from the 77794-M4400 or 77794-2M4400 Integrated Wall Panel Disconnect the power cord from the wall. Disconnect the power supply and communication cables from the device.
  • Page 43 Disassembly and repair 39 Service manual Grasp the device securely and remove the 4 Phillips screws from the back of the device and set the bracket aside for remounting. Reassembly notes To remount the device: Attach the device bracket to the device with the 4 Phillips screws.

  • Page 44: Exploded View Diagram

    40 Disassembly and repair Mount the device onto the tilt tensioner of the wall board. Attach the bottom of the device bracket onto the tilt tensioner so that the device hooks into place as shown in the illustration. Attach the top of the device bracket onto the tilt tensioner so that the device hooks into place as shown in the illustration.

  • Page 45: Remove The Battery

    Disassembly and repair 41 Service manual Remove the battery Place the unit face down on the table as shown. Loosen the captive Phillips screw to remove the battery door.

  • Page 46: Remove The Back Housing

    Squeeze the locking tab to disconnect the battery and remove the battery. Reassembly notes WARNING Defective batteries can damage the device. If the battery shows any signs of damage or cracking, it must be replaced immediately and only with a battery provided by Welch Allyn. Kit items: • BATT22, BATTERY PACK •...

  • Page 47: Remove The Power Harness

    • 107214, SRV KIT, REAR HOUSING WITH LABELS NOTE The back housing is not available for direct purchase. Welch Allyn limits availability of certain parts to Authorized Service Personnel only. These limitations are required to maintain product safety or maintain current regulations.

  • Page 48: Remove The Suretemp Module

    44 Disassembly and repair Disconnect the power harness from the main PCA board and then carefully remove the power harness. Reassembly notes Kit item: • 107186, SRV KIT, POWER HARNESS NOTE Reassembly is the reverse of disassembly. NOTE Ensure that you install the washers in the correct order. The flat washer slides onto the barrell first, followed by the locking washer, with the toothed side pointing toward the communications board.
  • Page 49 Disassembly and repair 45 Service manual Disconnect the ribbon cable from the ZIF connector on the main PCA board. Lift the module out of the housing. If you are replacing only the SureTemp board or the ribbon cable, disconnect the cable from the board.

  • Page 50: Remove The Nonin Spo2 Board

    46 Disassembly and repair • 107189, SRV KIT, SURETEMP CABLE NOTE Reassembly is the reverse of disassembly; however, note the following: • The SureTemp board rests in two notches on the front housing. Place the module in the notch near the bottom of the front housing, and the module will align with the notch near the main PCA board.

  • Page 51: Remove The Noninspo2 Adapter Board

    Disassembly and repair 47 Service manual Reassembly notes Kit item: • 105933, SRV KIT, NONINSpo2 BOARD NOTE Reassembly is the reverse of disassembly. Remove the NoninSpO2 adapter board Remove the 2 Phillips screws (with washers) and then press down gently on the main PCA board while you carefully pull the SpO2 adapter board out of the connectors on the main PCA board.

  • Page 52: Remove The Lcd From The Main Pca Board

    48 Disassembly and repair Remove the main PCA board from the front housing. Reassembly notes Kit item: • 107184, SRV KIT, MAIN PCA, AND LCD FRAME NOTE Reassembly is the reverse of disassembly. Remove the LCD from the main PCA board Carefully separate the LCD flex cable from its connector on the main PCA board by pulling the cable straight up.
  • Page 53 Disassembly and repair 49 Service manual On the side of the main PCA board with the notch, carefully lift the LCD past the tabs, and tilt the LCD upward. Remove the Gaff tape placed over the bale connector and the Gaff tape placed across the ferrite and LCD flex cable.
  • Page 54 50 Disassembly and repair Carefully lift the bale (locking mechanism) of the LCD flex cable connector on the main PCA board and remove the LCD. NOTE Reassembly is different from disassembly. Attach the LCD to the main PCA board NOTE Kit item: •...
  • Page 55 Disassembly and repair 51 Service manual With two fingers, press down on the bale to secure the LCD flex cable. Apply one piece of the Gaff tape to the ferrite and the LCD flex to hold the ferrite in place. Crease the tape along the side of the ferrite.

  • Page 56: Remove The Sensor Housing

    52 Disassembly and repair Place the LCD at an angle under the tabs on the flex cable side of the LCD. Lower the LCD into place and carefully move the tabs on the opposite side just enough to catch and secure the LCD in the frame. NOTE Ensure that the tabs hold the LCD securely.

  • Page 57: Remove The Pump Assembly

    Disassembly and repair 53 Service manual • Remove the power harness. • Remove the SureTemp module. • Separate the main PCA board from the front housing. Turn over the main PCA board and remove the single T-10 Torx screw attaching the sensor insert to the main PCA board.
  • Page 58 54 Disassembly and repair Turn over the main PCA board and remove 2 T-10 Torx screws. Separate the pump assembly from the main PCA board. NOTE Reassembly is different from disassembly.

  • Page 59: Replace The Main Pca Board

    • 107184, SRV KIT, MAIN PCA, AND LCD FRAME NOTE After installing a new PCA board, use the Welch Allyn Service Tool, Gold Edition, to prepare the board for first-time use. This includes programming the device serial number into the new board and performing an NIBP initialization during full device functionality.

  • Page 60: Remove The Spo2 Insert

    56 Disassembly and repair Remove the SpO2 insert On the inside of the back housing, remove the 2 Torx screws and then remove the insert. Reassembly notes Kit items: • 107350, SRV KIT, SpO2 INSERT BLANK • 107351, SRV KIT, SpO2 INSERT Nonin NOTE Reassembly is the reverse of disassembly.

  • Page 61: Remove The Suretemp Probe End Cap

    Disassembly and repair 57 Service manual Attach the bezel to the front housing Kit items: • 107183, SRV KIT, LCD BEZEL • 107213, SRV KIT, FRONT HOUSING W/ POWER SWITCH Lay the bezel over the 6 bosses on the front housing, and thread the power switch flex cable through the slot in the bezel.
  • Page 62 58 Disassembly and repair Turn over the front housing and peel the power switch button from the front housing. The adhesive will leave some residue. Pull the power switch flex cable through the front housing. Using 91 percent alcohol, clean the residue from the power switch pocket and let air dry. NOTE Reassembly is not the reverse of disassembly.

  • Page 63: Remove The Power Supply From The Mobile Stand

    Disassembly and repair 59 Service manual Remove the power supply from the mobile stand Power down the device. Disconnect the power cable from the device and disconnect the power cord from the wall. With one hand holding the power supply, remove the 2 Phillips screws that attach the power supply to the bracket.
  • Page 64 60 Disassembly and repair Thread the power cable from the power supply through one of the spaces next to the pole to reach the device, and then connect the power cable to the device. Connect the power cord to the mains outlet. Power up the device.

  • Page 65: Field Replaceable Units

    Repair parts/kits can be purchased through Hillrom sales channels. You can also visit the Hillrom Parts Store online to purchase replacement parts and accessories for your Welch Allyn device. NOTE Welch Allyn may limit availability of certain parts to Authorized Service Personnel only. These limitations are required to maintain product safety, or maintain current regulations.

  • Page 66: About Service Kits

    62 Field replaceable units About service kits The table describes the components of the device and the associated service kits for replaceable parts. Future revisions of a part might not always be backwards compatible with a legacy part. List of service kits To determine the correct replacement part for your unit, always provide the serial number and model number when ordering.
  • Page 67 Field replaceable units 63 Service manual Service Kit Number Material Number Description 107352 Srv Kit, Battery Door BATT22 Srv Kit, Battery Pack, 2 Cell Lithium-ion Battery 107214 Srv Kit, Back Housing with Labels* 107183 Srv Kit, LCD Bezel 107184 Srv Kit, Main PCA, and LCD Frame 105920 Srv Kit, NIBP Pump Assembly 105933...
  • Page 68 64 Field replaceable units...

  • Page 69: Cleaning The Device

    Cleaning the device   This section presents cleaning procedures that pertain to service and repair. For daily cleaning requirements and approved cleaning agents, refer to the Instructions for use. WARNING Patient injury risk. Clean all accessories, including cables and tubes, before storing the accessories on the device or stand.

  • Page 70: Store The Device

    66 Cleaning the device Store the device Store the device according to facility guidelines to keep the device clean, dry, and ready for service.

  • Page 71: Functional Verification And Calibration Overview

    For information about the service tool, see the following: • For instructions on installing and using the service tool, see the Welch Allyn Service Tool Installation and Configuration Guide. • To use the Standard unlicensed edition to test the NIBP module, follow the instructions in this service manual.
  • Page 72 68 Functional verification and calibration overview Standard unlicensed edition service tool tests performed The service tool performs the following functions on the host device and installed options. Test Description NIBP Temp SpO2 Host Reads Displays the firmware version firmware Firmware Loads the latest firmware into upgrade the module...
  • Page 73 Equipment – Recurrent Test and Test After Repair of Medical Electrical Equipment. Because of the variability of test equipment in the field, Welch Allyn does not include specific instructions to perform electrical safety tests. When performing electrical safety tests, refer to your test equipment manuals for detailed instructions to ensure proper test equipment setup that aligns with the appropriate standard.

  • Page 74: Basic Functional Verification

    Medical Device standard requires for power supplies. The manufacturer is required to perform 100% electrical safety testing on all of their power bricks prior to shipment. Welch Allyn does not perform nor recommend testing on these external power bricks because additional testing would put undue stress on the insulation system and possibly cause premature failures in the field.
  • Page 75 Functional verification and calibration overview 71 Service manual Basic functional verification tools The list of tools below is what Welch Allyn uses to perform a basic device functionality check. Most facilities use a device simulator or equivalent products to perform this test. Material no.
  • Page 76 72 Functional verification and calibration overview Item Item Pressure meter (must include at least two USB 2.0/5-pin type A to mini-B cable decimal points and be accurate to within ±0.5 mmHg) Blood pressure Y-tube Create a blood pressure Y-tube The blood pressure Y-tube is a piece of custom test equipment that connects the device to the test setup.
  • Page 77 WARNING Patient safety risk. If the primary transducer fails, the system might not identify an overpressure condition at the right limit, causing injury when the device is re-connected to a patient. To ensure patient safety, Welch Allyn recommends that a qualified service technician perform a full functional...
  • Page 78 20. Click Done to complete the check. 21. To record the results of your test, go to “Service record.” Perform an NIBP accuracy test without the Welch Allyn Service Tool The following tools are required to perform this test: •...
  • Page 79 Functional verification and calibration overview 75 Service manual Connect the dual lumen tubing to the device. Connect one end of the tubing to the pressure meter and the other end to the test box. Ensure each end is connected tightly and there are no leaks. To initiate the verification process, touch Close Valve.
  • Page 80 76 Functional verification and calibration overview Verify the displayed saturation is 90% ±1 sat point, and the pulse rate is 60 ±1 bpm. Disconnect the simulator. Thermometry tests Thermometry test setup For the thermometry test, connect the test equipment shown below. Item Item Spot 4400...
  • Page 81 Place the tester on a level surface away from sunlight, drafts, and other sources of heat or cold. The tester takes approximately 20 minutes to heat to the lowest set point. To expedite testing, Welch Allyn recommends the following practices: •...
  • Page 82 78 Functional verification and calibration overview Max: 5 mmHg mmHg Mode Specification Actual reading Adult mode: 280 ..329 mmHg mmHg Target pressure ± 5 Specificati mmHg Pressure meter Service tool Pass Fail 0 mmHg mmHg mmHg ± 1 mmHg 50 mmHg mmHg mmHg ±...

  • Page 83: Full Functional Verification And Calibration

    Welch Allyn Welch Allyn purchase purchase (see Notes) Item No. Material No. Description Varies Spot 4400 PC running the Welch Allyn Service Tool on Windows 7 or Windows 10 SpO2 simulator 3278-010 8000AA-2 WA REUSABLE SENSOR ADULT, 2M 107211 Power supply...
  • Page 84 Full functional verification check and calibration tools The tools listed below are required to perform a full device functionality check and calibration. The tools are used in conjunction with the Welch Allyn Service Tool, Gold license, to perform a device calibration.
  • Page 85 Set up the equipment for full functional verification as shown earlier in this section. Log in to the Welch Allyn Service Tool, highlight your device in the Device list, and click Select. This action opens the Spot 4400 > Device information subtab. Depending on your configuration, it could take 30-45 seconds to populate this subtab.
  • Page 86 This includes programming the device serial number into the new board and initializing the NIBP board. Log in to the Welch Allyn Service Tool, highlight your device in the Device list and click Select. Select Spot 4400 > Configure, and then click Change.

  • Page 87: Options And Upgrades

    The training is required to be eligible to receive the Welch Allyn Service Tool Gold edition. The Gold edition is required to verify that the device is functioning correctly after it has been serviced. Although all of the option upgrades are calibrated and tested before leaving the factory, Welch Allyn recommends performing a complete functional test whenever the device is serviced.

  • Page 88: Upgrading Software With The Welch Allyn Service Tool

    169.254.10.1 255.255.255.255 At the start of a software upgrade, the Welch Allyn Service Tool creates a local HTTP server and uses the USB connection to transfer necessary file package to the Spot 4400. Once the file package is on the device, it launches the installation of host controller firmware and reboots the device immediately following the installation.

  • Page 89: Upgrade The Device Firmware

    Connect the device to the computer with a USB cable. Turn on the device. In the Welch Allyn Service Tool, under the Device List tab, click on the device and click Select. Under the Welch Allyn Connex Device, select Upgrade.
  • Page 90 86 Options and upgrades Material no. Item 4400REPRC-WEB-TRN 4400, Repair re-certification web training...

  • Page 91: Appendix

    Appendix   Specifications Physical specifications Protection classifications, all device configurations Characteristic Specification Electrical rating 100 – 240 V AC, 50 – 60 Hz, 0.8A – 0.5 A Duty cycle Continuous operation Type of protection against electric shock Class I internally powered Type BF defibrillator proof Degree of protection against electric shock, for parts applied to patients...
  • Page 92 88 Appendix Protection classifications, all device configurations Active area 6.1 in. (W) x 3.4 in. (H) (154.08 mm [W] x 85.92 mm [H]) Resolution 800 x 480 pixels Pixel arrangement RGB (red, green, blue) Pixel size 63.2 µm (W) x 179 µm (H) Luminance 530 cd/m2 Battery specifications...
  • Page 93 Appendix 89 Service manual NIBP specifications Pulse rate range (using blood pressure determination) Adult: 30 to 200 bpm (StepBP, SureBP) Pediatric: 30 to 200 bpm (StepBP, SureBP) Pulse rate accuracy (using blood pressure ±5.0% (±3 bpm) determination) Overpressure cutoff Adult: 300 mmHg ±15 mmHg Pediatric: 300 mmHg ±15 mmHg SureTemp Plus temperature module specifications SureTemp Plus temperature module specifications...
  • Page 94 90 Appendix SpO2 specifications Refer to sensor manufacturer's directions for use for additional information. WARNING Functional testers cannot be used to assess the accuracy of a pulse oximeter device. While functional testers may be useful for verifying that the pulse oximeter sensor, cabling, and device are functional, they are incapable of providing the data required to properly evaluate the accuracy of a system's SpO2 measurements.

  • Page 95: Factory Defaults

    The size of the stick surrounding the USB metal head should be no larger than 9.5 mm x 18.5 mm to fit in the USB port. Welch Allyn recommends the following USB flash drive for use with the device: Kingston DataTraveler SE9 32 GB drive, part number DTSE9H/32GBZ.
  • Page 96 92 Appendix Settings Default value Time zone Europe/London Daylight Saving Time enabled Patient mode Adult Allow auto sleep mode Sleep mode interval 2 min Allow auto shutdown Auto shutdown timeout interval 15 min Brightness Language English Manual parameters Settings Default value Display height Display weight Display pain...

  • Page 97: Troubleshooting

    You must still trace the source of the problem to the board or module level to decide the best course of action. Welch Allyn does not support component-level repair to the board or module. For available replacement parts, see “Field Replaceable Units.”...
  • Page 98 Welch Allyn Technical Support immediately. CAUTION Replace parts, components, or accessories only with parts supplied or approved by Welch Allyn. The use of any other parts can lead to inferior device performance and will void the product warranty.
  • Page 99 <150>2014-09-08T05:55:00.000+00:00 wa_spo2nonind[1521]: Code 1, SPO2 sensor not connected As noted above, the calculations performed using PRI values have little significance for most users but are valuable for Welch Allyn engineers. Therefore, the following instructions for calculating facilty and severity numbers target Welch Allyn engineers.
  • Page 100 96 Appendix To obtain the facility number, divide the PRI value by 8 (dropping the fraction from the result). The facility number is one of the following: Facility Number Description Kernel messages User-level messages Mail system System daemons Security/authorization messages (auth) Messages generated interally by syslogd Line printer subsystem Network news subsystem...
  • Page 101 Appendix 97 Service manual To obtain the severity number, subtract the (facility times 8) value from the PRI value. The severity number is one of the following: Severity Severity Name Description Number EMERG A panic condition ALERT A condition that should be corrected immediately CRITICAL Critical conditions, such as hard device errors ERROR...
  • Page 102 98 Appendix Symptom Possible cause Suggested action General The device does not power up. A new battery was installed. Connect AC power to wake up the battery. The battery is discharged. Connect AC power to charge the battery. The power switch is defective. Replace the power switch.
  • Page 103 Appendix 99 Service manual Symptom Possible cause Suggested action Use only Welch Allyn cuffs. Patient's arm is not positioned properly or Ensure patient's arm is resting moves during blood pressure cycle. on a surface at heart level. Keep arm still to reduce artifact.
  • Page 104 100 Appendix Symptom Possible cause Suggested action Replace the main board. The dual lumen switch failed. Ensure that the cuff is the properly sized. Clean the cuff connections. Replace the cuff and tubing. Replace the main board. The NIBP cuff does not inflate. There is a leak in the pneumatic system.
  • Page 105 Appendix 101 Service manual Symptom Possible cause Suggested action Clean the cuff connections. Replace the cuff and tubing. Replace the main board. The NIBP module needs calibration. Update the software. Perform NIBP functional checks. Perform NIBP calibration checks. Replace the pump assembly. Replace the main board.
  • Page 106 102 Appendix Symptom Possible cause Suggested action The main board malfunctioned. Update the software. Replace the main board. Temperature measurements are The probe is disconnected from the device. Ensure that the temperature not displayed. probe is connected and seated in the probe well before taking a measurement.
  • Page 107 Appendix 103 Service manual Symptom Possible cause Suggested action Replace the sensor. Perform SpO2 functional checks. The SpO2 module malfunctioned. Perform SpO2 functional checks. Update the software. Replace the SpO2 module. Replace the main board. The main board malfunctioned. Update the software. Replace the main board.
  • Page 108 NOTE Performing functional tests on modules requires the Service Tool, Gold edition. Error logs are not viewable by clinicians. However, all logs are transferred to Welch Allyn on a regularly scheduled basis. In the event of an unplanned power failure, all information, including device logs and patient data, are retained on the system.
  • Page 109 Appendix 105 Service manual Message Possible cause Suggested action Unable to determine NIBP; check The NIBP measurement may be Make sure the NIBP settings/patient connections; limit patient inaccurate, patient motion mode is appropriate. If the problem movement. 050003 occurred, or the settings for patient persists, have the device inspected readings obtain might not be by a qualified service technician.
  • Page 110 106 Appendix Message Possible cause Suggested action NIBP not functional. 050105 WACP message CRC mismatch on Internal malfunction. If the problem NIBP module persists, have the device inspected by a qualified service technician. NIBP not functional. 050201 This message is not implemented Internal malfunction.
  • Page 111 Appendix 107 Service manual Message Possible cause Suggested action Invalid algorithm. Select correct Invalid NIBP Algorithm. NIBP Verify the algorithm. If the problem algorithm and retry. 050512 component software tried to persists, have the device inspected configure the sensor in an illegal by a qualified service technician.
  • Page 112 108 Appendix Message Possible cause Suggested action inspected by a qualified service technician. NIBP not functional. 050607 NIBP cannot clear the failsafe errors Internal malfunction. If the problem persists, have the device inspected by a qualified service technician. NIBP not functional. 050608 NIBP safety processor has stopped Internal malfunction.
  • Page 113 Appendix 109 Service manual Message Possible cause Suggested action NIBP not functional. 050613 NIBP response header wrong Internal malfunction. If the problem persists, have the device inspected by a qualified service technician. NIBP not functional. 050614 NIBP response checksum wrong Internal malfunction.
  • Page 114 110 Appendix Message Possible cause Suggested action NIBP not functional. 05FF08 Sensor power up failure Internal malfunction. If the problem persists, have the device inspected by a qualified service technician. NIBP not functional. 05FF09 WACP rendezvous failure Internal malfunction. If the problem persists, have the device inspected by a qualified service technician.
  • Page 115 Appendix 111 Service manual Message Possible cause Suggested action SpO2 rebooting. 044904 The SpO2 power on self test timed Internal hardware malfunction in SpO2 module. If the problem persists, have the device inspected by a qualified service technician. Nonin messages Message Possible cause Suggested action...
  • Page 116 112 Appendix Message Possible cause Suggested action Temperature not functional. 030204 No parameter provided Internal malfunction. If the problem persists, for the specified have the device inspected by a qualified message. service technician. Temperature not functional. 030205 The temperature module Internal malfunction.
  • Page 117 Appendix 113 Service manual Message Possible cause Suggested action module has been detected. Temperature not functional. 030518 The temperature module Internal malfunction. If the problem persists, power rail is too low. have the device inspected by a qualified service technician. Temperature not functional.
  • Page 118 114 Appendix Message Possible cause Suggested action persists, have the device inspected by a qualified service technician. Replace temperature probe. 030808 The temperature module Probe malfunction. Replace the probe. If the probe was not problem persists, have the device inspected characterized/calibrated by a qualified service technician.
  • Page 119 Appendix 115 Service manual Message Possible cause Suggested action Temperature not functional. 030814 The temperature module Internal malfunction. If the problem persists, TEMP CONFIG ACQUIRE have the device inspected by a qualified FAILURE service technician. Temperature not functional. 030815 The temperature module Internal malfunction.
  • Page 120 116 Appendix Message Possible cause Suggested action persists, have the device inspected by a qualified service technician. Ambient temperature out of range. The temperature module Verify conditions are greater than 50 F or Clear to retry. 030822 under ambient temp 10°C.
  • Page 121 Appendix 117 Service manual Message Possible cause Suggested action Temperature not functional. 03CB00 Unable to send message Internal malfunction. If the problem persists, to the Temperature have the device inspected by a qualified module service technician. Temperature not functional. Temperature module Internal malfunction.
  • Page 122 118 Appendix System messages Message Possible cause Suggested action 000001 System failure Restart the device 000002 System failure Restart the device 000003 System failure Restart the device 000004 System failure Restart the device 000005 System failure Restart the device 000006 System failure Restart the device Internal hardware failure.
  • Page 123 Appendix 119 Service manual Message Possible cause Suggested action checks for host. If the problem is still present, replace the battery. If the problem is still present, replace the main PCBA. Input voltage too low. Power supply issue. The PMIC input Check the operating environment Device will shut down.

  • Page 124: Identifying The Device And Subsystems

    120 Appendix Software update messages Message Possible cause Suggested action Software Update: The manifest file transfer timed out Verify the connection and retry. Manifest transfer timed or connection was lost during out. Verify connection download and retry. Software Update: The package file transfer timed out Verify the connection and retry.
  • Page 125 Appendix 121 Service manual Future revisions of a part may not always be backward compatible with a legacy part. To determine the correct replacement part for your unit always provide the serial number and model when ordering. Manufacture Date: How to Decode Serial Number, Lot codes The Serial number (SN) of a device reveals many details about its manufacture.
  • Page 126 T = SureTemp Plus B = North America 44XT X = Blank / None Y = Italy 2 = Europe 44WT W = Welch Allyn / Nonin T = SureTemp Plus 3 = Israel 4 = United Kingdom 6 = Australia/New Zealand...

  • Page 127: Interconnect Diagram

    Appendix 123 Service manual Interconnect diagram...
  • Page 128 124 Appendix...

  • Page 129: Service And Maintenance Toolset

    The following is the listing of tools and test equipment required to perform basic functional verification checks, full functional verification checks and calibration, and service and maintenance on the device. NOTE Tools and test equipment must be readily available to complete Welch Allyn Technical Service Training for this device. Usage Material no.
  • Page 130 All items marked in the Full column are required for full functional verification checks and calibration. The Welch Allyn Service Tool software and an active Gold license are required to perform these checks. The Gold license is obtained upon successful completion of Welch Allyn Technical Service Training.

  • Page 131: Service Software It Setup

    Allyn service Domain name component IP address Port welchallynsolutions.com Inbound - Used by customers to receive Welch Allyn Service software/device firmware upgrades. Tool IP: 209.202.167.28 Outbound - Used by customers to send (via Windows service HTTP/HTTPS port: 80/443 device service information.
  • Page 132  ...

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