Welch Allyn Spot Vital Signs 4400 Service Manual Download Page 42 | Manualshive

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4. 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

1. Disconnect the power cord from the wall.
2. Disconnect the power supply and communication cables from the device.
3. Detach the device from tilt tensioner of the wall board.

a. Loosen the screw that secures the device to the tilt tensioner.
b. Firmly grasp the device with both hands and pull up to remove the device from the

bottom and top mounting hooks of the wall-mount bracket.

38 Disassembly and repair

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Summary of Contents for Spot Vital Signs 4400

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

Page 2: ...incorporated with this instrument as intended in the operation of the product in which it is embedded The software may not be copied decompiled reverse engineered disassembled or otherwise reduced to...

Page 3: ...23 Access Advanced settings 23 General tab 23 Parameters tab 24 Service tab 26 Power up sequence 27 Power 27 Power up the device 28 Power down the device 28 Reset the device 29 Disassembly and repair...

Page 4: ...About service kits 62 Cleaning the device 65 Remove liquid spills from the device 65 Dry the equipment 65 Store the device 66 Functional verification and calibration overview 67 Functional verificatio...

Page 5: ...is manual identify conditions or practices that could result in damage to the equipment or other property or loss of data This definition applies to both yellow and black and white symbols Follow inst...

Page 6: ...Reorder Number Serial Number Product Identifier Recyclable Do not reuse Single use device Separate collection of Electrical and Electronic Equipment Do not dispose as unsorted municipal waste IPX2 IP...

Page 7: ...ade Item Number Stacking limit by number Keep dry Humidity limitation Mass in kilograms kg Maximum safe working load limits Non ionizing electromagnetic radiation Screen symbol Process indicator for a...

Page 8: ...4 Symbols and definitions...

Page 9: ...vice Therefore you must verify all vital signs information especially NIBP and SpO2 before treating the patient If there is any question about the accuracy of a measurement verify the measurement usin...

Page 10: ...over the air intake or exhaust vents on the rear and base of the device Covering these vents could cause overheating of the device WARNING This equipment is not suitable for use in the presence of ele...

Page 11: ...iquids possibly entered the device remove the device from use until it has been properly dried inspected and tested by qualified service personnel 5 Reinstall battery pack 6 Reconnect the power plug 7...

Page 12: ...es transducers and cables other than those specified may result in degraded electromagnetic compatibility performance of this device WARNING Use of accessories transducers and cables other than those...

Page 13: ...equipment interference is observed relocate the equipment as necessary or consult manufacturer s directions for use CAUTION Do not move the stand while the power source is plugged into the mains outle...

Page 14: ...arm from device function or parameter unavailability Harm from misuse error such as inadequate cleaning and or Harm from device exposure to biological triggers that may result in a severe systemic all...

Page 15: ...ndations and instructions Always follow the manufacturer s directions for use Welch Allyn recommends that only Welch Allyn service personnel or an authorized repair center perform warranty service Per...

Page 16: ...heir static shielding bags only at static safe workstations a properly grounded table and grounded floor mat and only when you are wearing a grounded wrist strap with a resistor of at least 1 megohm i...

Page 17: ...nstructions for functional testing and performance verification in the Welch Allyn Service Tool help files This manual applies only to this device For servicing of any other vital signs device see the...

Page 18: ...ange of services and support you need Welch Allyn offers premium service and support through our Partners in Care program Whether you service your own devices and require a minimum of support or rely...

Page 19: ...for repair or routine maintenance schedule the repair with the service center nearest you Welch Allyn Technical Support If you have a problem with the device that you cannot resolve call the Welch All...

Page 20: ...ack a defective battery in checked or carry on baggage if traveling by air Packaging If you return the battery with the device remove the battery seal the battery in an antistatic plastic bag and plac...

Page 21: ...t of calibration Component Service interval Service procedure NIBP module Annually Basic functional verification SpO2 module Annually Basic functional verification SureTemp Plus Annually Basic functio...

Page 22: ...service tool can help you manage and maintain your entire inventory of supported Welch Allyn products Through the remote service function the service tool can connect to Welch Allyn Customer Service...

Page 23: ...status indicator on the device displays the remaining charge Battery information may be collected using the service tool New batteries are shipped from the manufacturer with a 30 percent charge to ex...

Page 24: ...torage more than 90 days up to 2 years Maintain temperature between 4 F and 95 F 20 C and 35 C Recycle batteries where ever possible In the United States call 1 877 723 1297 for information about recy...

Page 25: ...7 color touchscreen provides a graphical user interface 2 Thermometry probe well Houses the SureTemp probe on the device 3 Battery charge and power up status indicator The LED indicates the charging a...

Page 26: ...e battery captive screw secures cover to device 2 NIBP Connects the NIBP hose to the device 3 USB client port Provides a connection to an external computer for testing software upgrades and connectivi...

Page 27: ...ons are active or if vital sign measurements are displayed 1 From the Home tab touch the Settings tab 2 Touch the Advanced vertical tab 3 Touch Advanced settings The device sounds two beeps and the Ge...

Page 28: ...y Then set the Automatic sleep timeout period 1 30 minutes Allow automatic shutdown Check this box to enable the device to automatically shut down after a period of inactivity Then specify the Automat...

Page 29: ...t to return to the Home tab Specify additional parameters 1 In Advanced settings touch the Parameters Additional parameters tabs 2 Select the additional parameters you wish to display on the Home tab...

Page 30: ...Open Valve or navigate away from the screen 3 To calibrate your touchscreen touch Start in the right pane and follow the onscreen prompts The Home tab appears when calibration is complete Save service...

Page 31: ...t the product is detected the system enters a safe mode and stops all vitals functions The system remains in safe mode until it is turned off by pressing or until the device shuts down automatically a...

Page 32: ...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 CAUTION Always use t...

Page 33: ...ice memory 1 Press and hold located on the lower left corner of the device 2 If there is a prompt with options to Power down Sleep or Cancel continue to press for several seconds The device powers dow...

Page 34: ...30 Power up sequence...

Page 35: ...embly notes only when they differ from the drawings in the disassembly instructions WARNING Electrical shock hazard Disconnect AC power before opening the device Disconnect and remove the battery befo...

Page 36: ...eumatic Sensor assy SCREW 4 40 250 PAN PHILLIPS STEEL ZINC 4 5 0 5 in lbs 0 Phillips SpO2 sensor SpO2 adapter PCBA SCREW M4 X 10 PAN HEAD W NYLOC 7 5 0 5 in lbs 1 Phillips Rear Front housings SCR M4 P...

Page 37: ...t the connector Excessive force may result in pulling the mounted connector off the circuit board To connect a friction connector grasp each connector mating half and insert one half into the other ZI...

Page 38: ...e of the connector away from the connector body 2 Remove the cable To connect a ZIF connector 1 Slide the latching piece of the connector away from the connector body 2 Insert the flex cable into the...

Page 39: ...flex cable into the connector 3 Push down on the latching piece connector until it locks into place Disassembly overview The following flow chart provides an overview of the complete disassembly of t...

Page 40: ...down the device When the device is functioning normally use this method to power down This method retains patient measurements in the device memory for a maximum of 24 hours Saved measurements are av...

Page 41: ...he mount 4 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 4400 DST Desk stand 1 Disconn...

Page 42: ...anel 1 Disconnect the power cord from the wall 2 Disconnect the power supply and communication cables from the device 3 Detach the device from tilt tensioner of the wall board a Loosen the screw that...

Page 43: ...the 4 Phillips screws from the back of the device and set the bracket aside for remounting Reassembly notes To remount the device 1 Attach the device bracket to the device with the 4 Phillips screws S...

Page 44: ...to the tilt tensioner so that the device hooks into place as shown in the illustration Apply some pressure to the top of the device and push down until the device slides down into the hook of the top...

Page 45: ...Remove the battery 1 Place the unit face down on the table as shown 2 Loosen the captive Phillips screw to remove the battery door Service manual Disassembly and repair 41...

Page 46: ...f 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 107212 SRV KIT BATTERY FOAM NOTE Reass...

Page 47: ...he 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...

Page 48: ...ll first followed by the locking washer with the toothed side pointing toward the communications board Remove the SureTemp module WARNING The main PCA board is not secured to the front housing Ensure...

Page 49: ...le out of the housing 4 If you are replacing only the SureTemp board or the ribbon cable disconnect the cable from the board Set aside the part that will be reused for reassembly Reassembly notes Kit...

Page 50: ...of the front housing and the module will align with the notch near the main PCA board Ensure that you push the cable down into the rubber gasket The SureTemp module will sit loosely in place until yo...

Page 51: ...PCA board while you carefully pull the SpO2 adapter board out of the connectors on the main PCA board Reassembly notes Kit item 107185 SRV KIT NONINSpo2 ADAPTER BOARD NOTE Reassembly is the reverse of...

Page 52: ...CD FRAME NOTE Reassembly is the reverse of disassembly Remove the LCD from the main PCA board 1 Carefully separate the LCD flex cable from its connector on the main PCA board by pulling the cable stra...

Page 53: ...y lift the LCD past the tabs and tilt the LCD upward 4 Remove the Gaff tape placed over the bale connector and the Gaff tape placed across the ferrite and LCD flex cable Set the Gaff tape aside to use...

Page 54: ...he main PCA board and remove the LCD NOTE Reassembly is different from disassembly Attach the LCD to the main PCA board NOTE Kit item 105924 LCD touchscreen and ferrite 1 With the LCD frame facing up...

Page 55: ...n place Crease the tape along the side of the ferrite NOTE Do not allow the Gaff tape to touch the board Do not allow the ferrite to touch the end of the flex cable when assembled 4 Place the other pi...

Page 56: ...ove 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 8 Turn over the main PCA board and then insert the flex cable int...

Page 57: ...the pump manifold hold the black pump manifold with one hand and tilt the top of the insert away from the main PCA board with the other hand Reassembly notes Kit item 107213 SRV KIT SENSOR HOUSING W P...

Page 58: ...3 Turn over the main PCA board and remove 2 T 10 Torx screws 4 Separate the pump assembly from the main PCA board NOTE Reassembly is different from disassembly 54 Disassembly and repair...

Page 59: ...replacement kit items 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 pr...

Page 60: ...t items 107350 SRV KIT SpO2 INSERT BLANK 107351 SRV KIT SpO2 INSERT Nonin NOTE Reassembly is the reverse of disassembly Remove the bezel from the front housing Lift the rubber bezel up and over the po...

Page 61: ...ress the bezel down onto the 6 bosses on the front housing Remove the SureTemp probe end cap On the inside of the back housing remove the end cap by gently pulling outward Reassembly notes Kit item 10...

Page 62: ...switch Kit item 107188 SRV KIT POWER SWITCH Before you begin ensure that the power switch pocket is rid of all residue and dry 1 On the back of the new power switch remove the adhesive liner by pulli...

Page 63: ...sembly 4 Remove the power supply unit Recycle or dispose of the power supply unit in an environmentally safe manner consistent with local regulations Attach the power supply to the stand Kit item 1072...

Page 64: ...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 4 Connect the power cord to the mains outlet 5 Power up the device 6...

Page 65: ...s 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...

Page 66: ...vice 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 replacem...

Page 67: ...dapter Board 9 107186 Srv Kit Power Harness 10 107187 Srv Kit SureTemp Module with O Ring 11 107189 Srv Kit SureTemp Ribbon Cable 12 107188 Srv Kit Power Switch 13 107354 Srv Kit Probe Box Cap 14 1071...

Page 68: ...64 Field replaceable units...

Page 69: ...quids can damage electronics inside the device Prevent liquids from spilling on the device CAUTION Do not sterilize the device Sterilization can harm the device Remove liquid spills from the device Li...

Page 70: ...Store the device Store the device according to facility guidelines to keep the device clean dry and ready for service 66 Cleaning the device...

Page 71: ...e Welch Allyn Service Tool The service tool is required to complete functional verification and calibration tests The service tool is available in the following editions Standard unlicensed edition En...

Page 72: ...ormed The service tool tests the host device and installed options as listed in the following table Test Description NIBP Temp SpO2 Host POST Performs the power on self test POST Firmware version Chec...

Page 73: ...ecommended NOTE Perform dielectric strength testing only if there is a reason to doubt the integrity of the electrical insulation e g multiple trips of a residual current device or liquid ingress of a...

Page 74: ...Probe SpO2 sensor etc all have visible isolation gaps built into the printed circuit board The quality control on the PCB and the thorough type testing performed by the testing agency ETL eliminates t...

Page 75: ...P N A PC running the Welch Allyn Service Tool on Windows 7 or Windows 10 1 All web download Welch Allyn Service Tool welchallyn com en service support service center service tool html 1 NIBP Software...

Page 76: ...presented earlier in this section Connect the manifold to the volume repair fixture as indicated by the service tool or the test procedure NIBP leak test Standard unlicensed edition The NIBP leak tes...

Page 77: ...ndow click Over Pressure Test 9 Follow the prompts until the test completes 10 Click Close 11 To view the results open the active log file by selecting File View Log File Active log file Ok 12 To reco...

Page 78: ...zero if necessary 11 Check the accuracy at 0 mmHg 12 Record the reading on the pressure meter and the service tool and compare the results 13 Using the hand bulb pressurize the NIBP system to 50 mmHg...

Page 79: ...SpO2 function Connect the test equipment according to the test setup diagram for your configuration presented here SpO2 test setup For the SpO2 test connect the test equipment shown below No Item 1 S...

Page 80: ...the temperature probes you will also need to have heaters at three temperature settings to test the probes See SureTemp temperature probe and system test Perform a SureTemp temperature system test 1...

Page 81: ...press and hold the Temperature Selection button until a beep sounds The new set point appears in the upper left corner of the display The device s current temperature appears flashes and continues fl...

Page 82: ...60 bpm Pulse rate 60 1 bpm 59 to 61 bpm bpm SpO2 saturation 90 Saturation 90 1 sat point 89 to 91 Thermometry tests Temperature test Specification 0 2 F 0 1 C Actual reading Pass Fail 97 3 F 36 3 C 97...

Page 83: ...equired Welch Allyn purchase Optional Welch Allyn purchase see Notes 1 Varies Spot 4400 1 X 2 N A PC running the Welch Allyn Service Tool on Windows 7 or Windows 10 1 3 N A SpO2 simulator 1 4 3278 010...

Page 84: ...urchase with comparable OEM products Full functional verification check and calibration tools The tools listed below are required to perform a full device functionality check and calibration The tools...

Page 85: ...the Verify and calibrate subtab 4 Select NIBP sensor in the Device field 5 Click Calibrate This opens the Verify and calibrate NIBP Sensor dialog 6 Click Begin A list of tests appears in the left pan...

Page 86: ...main PCA board 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 b...

Page 87: ...o support updates and upgrades adjust your firewall settings to permit access for IP address 169 254 10 10 the local feed server for the software upgrade process Software upgrades when available can b...

Page 88: ...rk with your IT staff or Network Administrator as needed to enable this functionality Interface specifications IP address Network mask Device Ethernet over USB interface 169 254 10 10 255 255 255 255...

Page 89: ...the Device List tab click on the device and click Select 7 Under the Welch Allyn Connex Device select Upgrade The list of available upgrades appears 8 Select the desired upgrade click Upgrade and then...

Page 90: ...Material no Item 4400REPRC WEB TRN 4400 Repair re certification web training 86 Options and upgrades...

Page 91: ...N 60601 1 2nd and 3rd Editions Recovery time following defibrillator discharge Less than or equal to 15 seconds Flammable anesthetics WARNING Not suitable for use with flammable anesthetics Degree of...

Page 92: ...0 mmHg StepBP SureBP Pediatric 30 to 260 mmHg StepBP SureBP Diastolic range Adult 20 to 220 mmHg StepBP SureBP Pediatric 20 to 220 mmHg StepBP SureBP Cuff Inflation Target Adult 160 mmHg StepBP Pediat...

Page 93: ...emperature measurement range Ambient 64 4 F 18 C to 82 4 F 28 C Ambient 50 F 10 C to 64 4 F 18 C or 82 4 F 28 C to 113 F 40 C Less than 95 9 F 35 5 C 0 36 F 0 2 C 0 36 F 0 2 C 95 9 F 35 5 C to less th...

Page 94: ...manufacturer for further SpO2 clinical testing information NOTE Refer to sensor manufacturers directions for use for further accuracy information SpO2 specifications SpO2 performance measurement rang...

Page 95: ...work with this device are the following Linux compatibility Up to 32 GB storage FAT 32 formatting USB 2 0 compliant Dimensions Assuming the USB flash drive will be inserted into the device the length...

Page 96: ...lish Manual parameters Settings Default value Display height Yes Display weight Yes Display pain Yes Display respiration Yes Display BMI Yes Height units inches Weight units lbs NIBP Settings Default...

Page 97: ...Symptoms and solutions This simple table lists symptoms you might observe possible causes and suggested actions that might eliminate the problem Information and error messages These tables list messag...

Page 98: ...ollowing steps to access and start working with log files saved to a USB flash drive 1 Insert the USB flash drive into a USB port on your PC 2 Open the USB flash drive and identify the saved log files...

Page 99: ...PID format It includes a trailing whitespace MSG The text of the log message from the sending program or process This is a free format text string terminating with a new line character sp A single sp...

Page 100: ...ges generated interally by syslogd 6 Line printer subsystem 7 Network news subsystem 8 UUCP subsystem 9 Clock daemon 10 Security authorization messages authpriv 11 FTP daemon 12 NTP subsystem 13 Log a...

Page 101: ...the sample error logs presented we can determine the following 13 2014 09 26T12 18 45 000 00 00 wa_nibpd 1326 NibpManualBpCancelState Enter PRI 13 ISODATE 2014 09 26T12 18 45 000 00 00 MSGHDR wa_nibp...

Page 102: ...is defective Replace the main board The touchscreen is unresponsive Touchscreen needs calibration Calibrate the touchscreen Run the Host Calibration Sequence from the Service Tool Replace the LCD tou...

Page 103: ...leak in the pneumatic system Ensure all cuff attachments are tight Carefully check for leaks in blood pressure cuff and tubing attached to the device Replace the cuff Update the software Perform NIBP...

Page 104: ...f and tubing attached to the device Replace the cuff Update the software Perform NIBP functional checks Perform NIBP calibration checks Replace the pump assembly Replace the main board The NIBP module...

Page 105: ...ade Retry software update Replace the main board Temperature Temperature measurements are inaccurate Probe is placed improperly Ensure that the probe is properly placed in the measurement site For ora...

Page 106: ...the probe Perform temperature functional checks The temperature module malfunctioned Update the software Replace the temperature module Replace the main board A software issue occurred Update the sof...

Page 107: ...and the device Replace the sensor Perform SpO2 functional checks The sensor is contaminated or dirty Clean the optical area of the sensor Replace the sensor Perform SpO2 functional checks The SpO2 mod...

Page 108: ...ou can wait for the message to time out To use these tables locate the message that displays on the device in the left column of the table The remainder of the row explains possible causes and suggest...

Page 109: ...persists have the device inspected by a qualified service technician Unable to determine NIBP check connections limit patient movement 050008 There were not enough steps on the measurement attempt Una...

Page 110: ...lem persists have the device inspected by a qualified service technician NIBP not functional 050208 The NIBP module object provided with the message could not be deserialized Internal malfunction If t...

Page 111: ...50518 The NIBP module power rail is too low Plug device into an AC outlet to charge the battery Battery overcharged Disconnect from outlet 050519 The NIBP module power rail is too high NIBP was calibr...

Page 112: ...he module 05060B Factory EEPROM checksum error on NIBP Units internal configuration was corrupted Calibrate the NIBP module If the problem persists have the device inspected by a qualified service tec...

Page 113: ...t or maximum pressure so that the cuff inflation target is at least 20 mmHg lower than maximum pressure NIBP not functional 05FF01 Unrecognized WACP parameter received from sensor Internal malfunction...

Page 114: ...not functional 05FF0F The NIBP sensor firmware failed to upgrade Internal malfunction If the problem persists have the device inspected by a qualified service technician SpO2 messages General SpO2 mes...

Page 115: ...usion index Clear to retry 040500 SpO2 marginal pulse quality or artifact Reapply the sensor to the patient If the problem is still present replace the SpO2 sensor If the problem is still present repl...

Page 116: ...ied service technician Temperature not functional 03020A The temperature module message is performing a request action when the module state prohibits the request action Internal malfunction If the pr...

Page 117: ...patient limits Verify conditions are less than 104 F or 40 C If conditions are valid and the problem persists replace the probe If the problem persists have the device inspected by a qualified service...

Page 118: ...problem persists have the device inspected by a qualified service technician Temperature not functional 03080E The temperature module calibration error detection mechanism detected an error Probe mal...

Page 119: ...oblem persists have the device inspected by a qualified service technician Temperature not functional 03081B The temperature module HTR_Q is tri stated with HTRC enabled and has heater power Internal...

Page 120: ...e device inspected by a qualified service technician Temperature not functional 030828 The temperature module ambient temp is not set Internal malfunction If the problem persists have the device inspe...

Page 121: ...contact while attempting to acquire a temperature measurement or acquired measurement was performed with limited tissue contact Check the tissue contact and try the measurement again Temperature modul...

Page 122: ...the power supply to AC power to charge the device Low battery 5 minutes or less remaining 1C1006 The battery power is extremely low Connect the power supply to AC power to charge the device Battery is...

Page 123: ...s are unavailable because the device is not in an idle state Confirm that no sensors are attached to the device and there is no unsaved data Software upgrade is downloading Do not shutdown Cannot powe...

Page 124: ...h Regenerate the software package and retry Software Update Unable to find package file The package file cannot be found Verify the package file is on the server Software Update Installation failed Re...

Page 125: ...the device SN reveal the device s date of manufacture SN XXXX WWYY where XXXX Manufacturing plant Sequential number of manufacture WW Week of manufacture YY Year of manufacture Device serial number an...

Page 126: ...cessories see the accessories list in the Instructions for use NOTE If options have been added to the device the actual configuration will not match the model description The device is available in mu...

Page 127: ...Interconnect diagram Service manual Appendix 123...

Page 128: ...124 Appendix...

Page 129: ...ng for this device Material no Description Qty Usage Full Basic General test equipment 106275 Micro USB cable 1 X N A PC running Windows 7 or Windows 10 1 X web download Welch Allyn Service Tool 1 X 1...

Page 130: ...equired 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...

Page 131: ...lynsolutions com IP 209 202 167 28 HTTP HTTPS port 80 443 Inbound Used by customers to receive software device firmware upgrades Outbound Used by customers to send device service information IP 12 38...

Page 132: ......

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