Welch Allyn Spot Vital Signs LXi Service Manual
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Welch Allyn Spot Vital Signs LXi Service Manual

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Welch Allyn Spot Vital Signs LXi
1
2
7
BP
SYS
mmHg
73
DIA
mmHg
9
8
5
TEMP
SpO2
%
Patient ID 0123456789
Weight
Pain
Height
Clear
Respiration
Send/Next Reading
Service Manual
4 WEST
AM
Reading
01
F
PULSE /min
62
Enter
1
2
7
BP
4 WEST
SYS
mmHg
AM
73
Reading
01
DIA
mmHg
9
8
5
TEMP
F
SpO2
PULSE /min
62
%
Patient ID 0123456789
Weight
Pain
Height
Clear
Respiration
Send/Next Reading
Enter
BR
A
Un

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Summary of Contents for Welch Allyn Spot Vital Signs LXi

  • Page 1 Welch Allyn Spot Vital Signs LXi 4 WEST 4 WEST mmHg mmHg Reading Reading mmHg mmHg TEMP TEMP SpO2 PULSE /min SpO2 PULSE /min Patient ID 0123456789 Patient ID 0123456789 Weight Pain Weight Pain Height Clear Height Clear Respiration Send/Next Reading...
  • Page 3 Welch Allyn Spot Vital Signs LXi Service Manual...
  • Page 4 Welch Allyn. Welch Allyn assumes no responsibility for any injury to anyone, 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 statement of intended use published in this manual.

  • Page 5: Table Of Contents

    Spot Vital Signs LXi Configurations........20...
  • Page 6 Radio............68 Guidance and Manufacturer’s Declaration For Spot Vital Signs LXi Radio ..69 8 - Troubleshooting .
  • Page 7 Service Manual Contents 12 - Repair Test Specifications....... 115 General Unit Test ..........115 Temperature Option Requirements .
  • Page 8 Contents Welch Allyn Spot Vital Signs LXi...

  • Page 9: Safety Summary

    Safety Summary Introduction All users of the Spot Vital Signs LXi must read and understand the safety summary, and all additional specific warnings and cautions located throughout the documentation. Warnings and Cautions Familiarize all operating personnel with the general safety information in this summary.
  • Page 10 Spot Vital Signs LXi that is dropped or damaged for proper operation prior to further use. Do not use the Spot Vital Signs LXi if you notice any signs of damage. Contact the Welch Allyn Customer Service Department for assistance.
  • Page 11 WARNING Patients who are experiencing moderate to severe arrhythmias may give inaccurate blood pressure measurements. WARNING Spot Vital Signs LXi does not operate effectively on patients who are experiencing convulsions or tremors. WARNING Use only Welch Allyn blood pressure cuffs and/or hoses. Using other manufacturers’...
  • Page 12 Safety Summary Welch Allyn Spot Vital Signs LXi Temperature Warnings These warnings pertain to the Spot Vital Signs LXi temperature feature. SureTemp Plus ® These warnings are specific to the SureTemp Plus thermometer option. WARNING Use only Welch Allyn probe covers. Using other manufacturers’...
  • Page 13 Warnings These warnings pertain to the Spot Vital Signs LXi SpO feature. WARNING Only use Spot Vital Signs LXi with Masimo or Nellcor SpO option with Masimo or Nellcor brand sensors and accessories, respectively. Using the wrong or unapproved sensors or cables may cause improper performance.
  • Page 14 These cautions pertain to the entire Spot Vital Signs LXi device. Caution If the accuracy of any measurement is in question, check the patient’s vital sign(s) with an alternate method and then check to verify the device is functioning properly.
  • Page 15 Safety Summary Blood Pressure Cautions These cautions pertain to the Spot Vital Signs LXi blood pressure feature. Caution Minimize extremity and cuff motion during blood pressure readings. Caution If the blood pressure cuff is not at heart level, note the difference in reading due to the hydrostatic effect.

  • Page 16: Electrostatic Discharge (Esd)

    Safety Summary Welch Allyn Spot Vital Signs LXi Electrostatic Discharge (ESD) Electrostatic discharge is a sudden current flowing from a charged object to another object or to ground. Electrostatic charges can accomulate on common items such as foam drinking cups, cellophane tape, synthetic clothing, untreated foam packaging material, and untreated plastic bags and work folders, to name only a few.

  • Page 17: Symbols

    Service Manual Safety Summary Symbols The following symbols are associated with the Spot Vital Signs LXi. Safety Symbols Identifies information within the Identifies information within the manual to avoid injury. manual to avoid equipment failure. Caution: consult accompanying Internally Powered, Lead Acid...
  • Page 18 Safety Summary Welch Allyn Spot Vital Signs LXi Agency Symbols CERTIFIED TO: CAN/CSA STD C22.2 NO. 601.1 CONFORMS TO: UL STD 60601-1 166292 IEC 60601-1 The CE mark on this product indicates that it has been tested to and conforms with the provisions noted within the 93/42/EEC Medical Device Directive.

  • Page 19: Overview

    Overview Purpose and Scope The Spot Vital Signs LXi Service Manual is intended as a reference for maintenance and repair to the field replaceable unit (FRU) level and are listed on page If you crack the case some of these parts will need to be calibrated using the Note repair tool.

  • Page 20: Miscellaneous Mounting Accessories

    EF: 4701-62 Attach bracket to wall before assembling basket. aterial #: 711890 Rev. B Welch Allyn is NOT responsible for the integrity of any wall mounting interface. Ensure you are using the appropriate hardware to mount the device to a surface.
  • Page 21 Service Manual Overview...

  • Page 22: Mobile Stand Kit

    Overview Welch Allyn Spot Vital Signs LXi Mobile Stand Kit...
  • Page 23 Service Manual Overview...

  • Page 24: Radio Mounting Accessory

    Overview Welch Allyn Spot Vital Signs LXi Radio Mounting Accessory...

  • Page 25: Barcode Reader Mounting Accessory

    Service Manual Overview Barcode Reader Mounting Accessory...

  • Page 26: Warranty

    2) the date specified in the warranty registration card that we ask you to send to us, or 3) the date of purchase of product from the authorized Welch Allyn distributor as documented from a receipt from said distributor.

  • Page 27: Service

    Center nearest you for assistance. Technical service telephone support is available on normal business days. 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 28: Spot Vital Signs Lxi Configurations

    SureTemp Plus Thermometer 45NE0 SureBP with Nellcor SpO and Braun ThermoScan PRO 4000 Thermometer Controls Figure 1. Spot Vital Signs LXi Front Panel with SureTemp Plus Thermometer SureTemp Plus thermometer: remove the probe to take a temperature. 4 WEST...
  • Page 29 Service Manual Overview Figure 2. Spot Vital Signs LXi Front Panel with Braun ThermoScan PRO 4000 Thermometer Braun ThermoScan PRO 4000 thermometer: store the probe covers toward the back of the thermometer housing; remove the thermometer to access the covers.

  • Page 30: Display Window

    Overview Welch Allyn Spot Vital Signs LXi Display Window Before using Spot Vital Signs LXi for the first time, you must program an initial Note configuration screen. Press the Power button. The display window shows the initial configuration screen. Figure 3. Initial Configuration Screen Change Local Defaults Menu Model No.: 45NTO...
  • Page 31 Reading number indicator: display: if MAP is turned on, mmHg shows what reading the device is the screen toggles between on. Spot Vital Signs LXi retains the systolic and diastolic up to 50 readings in memory. values, and the word “MAP” Reading and the MAP value.

  • Page 32: Connections

    Connections Use the following instructions to connect the blood pressure hose, thermometer probe, and optional attachments to the Spot Vital Signs LXi. Figure 5. Spot Vital Signs LXi Side and Rear Panel Connections Icon ID label SureTemp Plus thermometer cable connection port...
  • Page 33 Lock tab Lock release hole Blood Pressure Hose and Cuff Identify and have available the Spot Vital Signs LXi, blood pressure cuff, and the blood pressure hose. Inspect the blood pressure hose; notice that one end has a single, gray connector fitting and the other end has two white fittings.
  • Page 34 Align the probe well with the tabs facing up and down into the round opening of the SureTemp Plus housing on the right side of Spot Vital Signs LXi. Push it into place. 2. Align the temperature probe connector with the SureTemp Plus thermometer...
  • Page 35 • 802.11 b radio and • 802.11 a/b/g radio Only use Welch Allyn Radios Quick Reference Card Attach the Quick Reference Card to the Spot Vital Signs LXi handle, mobile stand, or wall mount using the supplied plastic cable tie.
  • Page 36 To assure proper electrical isolation, replace the AC power transformer/charger Note using only the Welch Allyn specified part. The operator can use the Spot Vital Signs LXi with AC or battery power (after charging the battery). Insert the round transformer connector into the AC power connection port on the...

  • Page 37: Functional Overview

    Power button to turn the device on or off. Upon each power up, the display lights up, a beep sounds, and the Spot Vital Signs LXi displays the model and serial numbers. If the internal self-check is successful, the display shows its normal functions (see Figure 4 page 23) with all values blank, and the device is ready for operation.

  • Page 38: Internal Configuration Mode

    To Enter the Internal Configuration Mode: Turn the Spot Vital Signs LXi off. 2. Press and hold the Select and Power buttons for 5 seconds. The device enters the Internal Configuration Mode and the Configuration Menu screen appears on the display.
  • Page 39 Table 2. Configuration Menu Options Setting Description Version Numbers* Displays the software and hardware version numbers in the Spot Vital Signs LXi device. Battery* Displays the battery level. Location Identifier Allows the entry of the device’s location (e.g., the department name). Follow the display prompts and use the Navigation and Select buttons to enter up to 10 characters.
  • Page 40 Table 4. Blood Pressure Menu Options Setting Description BP Calibration Check Prepares the Spot Vital Signs LXi for calibration. Only qualified personnel should verify the Spot Vital Signs LXi blood pressure calibration. For more details, see “Blood pressure calibration” on page 54. Blood Pressure Units mmHg or kPa.
  • Page 41 Vital Signs LXi off. Weight Scale On or off. Spot Vital Signs LXi connects to a scale and the weight shows on the display window (see “Spot Vital Signs LXi Technical Overview” on page 35 for scale details). Wireless Module None or 802.11 B.
  • Page 42 Functional Overview Welch Allyn Spot Vital Signs LXi...

  • Page 43: Spot Vital Signs Lxi Technical Overview

    Refer to the Spot Vital Signs LXi Directions for Use manual for complete information. Battery System Spot Vital Signs LXi includes a 6 Volt, 6 amp-hour sealed lead-acid battery that supplies all power to the device. An external power supply charges the battery. The battery is always on-line (floated) rather than switching out when attached to the external power supply.
  • Page 44 Standby Mode The Standby Mode conserves battery power. The device goes into Standby Mode if it is not used for two minutes. Press any button to bring the Spot Vital Signs LXi out of Standby Mode. CPU Core Power Supply Powers the MPU core only and operates at the recommended Dragonball voltage range of 1.8 +/- 0.1 Volts;...

  • Page 45: Spo 2 Description

    CCFL with adequate voltage. External Load (RS-232) Power There are two power outlet means on the Spot Vital Signs LXi – RS-232 port power and the Braun PRO 4000 charger. Two isolated power supplies provide power to each of the external RS-232 ports. This power is available to external devices on pin 9 of each serial connector whenever the software enables the corresponding RS-232 port.

  • Page 46: Radio Description

    Welch Allyn Spot Vital Signs LXi Radio Description For radio description, refer to the manufacturer’s Directions for Use. The radio interfaces to the Spot Vital signs LXi through an RS-232 female connector with a 9-pin male/female null modem connection. Figure 1. 9-pin Null Modem Pinout...
  • Page 47 Carriage return character, 0x0D. Line feed character, 0x0A. Spot Vital Signs LXi issues a single beep for valid bar codes and displays the Note message scanned in on the units display. If a bar code is invalid, Spot Vital Signs displays nothing.

  • Page 48: Printer Description

    The Spot Vital Signs LXi provides two levels of power to fast-charge or to float the battery at fixed voltages using software control. The fast-charge level rapidly brings the battery...
  • Page 49 Service Manual Spot Vital Signs LXi Technical Overview up to near-full capacity (7 Volts) using software to not overcharge the battery. The float level, set per the manufacturer’s recommendation, slowly tops-off the battery and can stay on indefinitely.

  • Page 50: Interconnect Diagram

    Interconnect Diagram Item Description Item Description PCA, Main, Spot Vital Signs LXi Assy, Power Harness, Spot Vital Signs LXi A1-F1 Fuse, FlastBlo, 5A W1-A1 PCA, Power Interface, Spot Vital Signs LXi PCA, Serial Interface, Spot Vital Signs LXi Flex, Main, Spot Vital Signs LXi...
  • Page 51 This page depicts interconnect for basic unit plus Masimo SPO2 and SureTemp Plus Thermometer options. BOARD PRODUCT ENCLOSURE APPROVALS DATE THIS INFORMATION IS THE WELCH ALLYN PROPERTY OF WELCH ALLYN. IT IS SUBMITTED IN CHECK TITLE BLOOD CONFIDENCE AND IS NOT...
  • Page 52 This page depicts interconnect for Nellcor SPO2 and Braun PRODUCT ENCLOSURE Thermometer options only. APPROVALS DATE THIS INFORMATION IS THE WELCH ALLYN PROPERTY OF WELCH ALLYN. IT IS SUBMITTED IN CHECK TITLE CONFIDENCE AND IS NOT Spot Lxi Interconnect Diagram TO BE DISCLOSED OR PROJ.

  • Page 53: Maintenance And Service

    Caution Prevent water or other fluids from entering any connectors. If the connectors get wet, dry them with warm air. Check all measurement functions. Caution Do not sterilize or autoclave the Spot Vital Signs LXi device. As necessary, clean the device with a cloth slightly dampened with either 70% isopropyl alcohol, 10% chlorine bleach solution, or mild detergent in water, or use PDI Sani-System Cloths.
  • Page 54 Caution DO NOT use steam, heat, or gas sterilization on the probe well. Caution DO NOT autoclave the probe well. Remove the temperature probe from Spot Vital Signs LXi (see “Temperature Probe” on page 44). 2. Grasp the well under the probe opening and pull up gently to remove it from the device.
  • Page 55 Service Manual Maintenance and Service Sensors WARNING Do not immerse the sensor in water, solvents, or cleaning solutions (the sensors and connections are not waterproof). Do not use irradiation, steam, or ethylene oxide for sterilization. Clean the reusable SpO sensor with a 70% isopropyl alcohol solution. Do not immerse the sensor.

  • Page 56: Battery Replacement

    You can use the Spot Vital Signs LXi during this charging period via the AC power cord. If Spot Vital Signs LXi displays the E38 error code after power up, set the date (see “Date/Time Menu Options” on page 31).
  • Page 57 Braun ThermoScan PRO 4000 Caution Do not use alkaline batteries in the Braun ThermoScan PRO 4000 thermometer. Welch Allyn supplies a rechargeable battery pack with the Braun ThermoScan PRO 4000 thermometer. Open the battery compartment. 2. Remove the battery pack and replace with a new battery pack, verify the poles are in the right direction.

  • Page 58: Spot Vital Signs Lxi Firmware Upgrade Cd

    CD. Spot Vital Signs LXi Radio Configuration CD This CD configures the Spot Vital Signs LXi Radio to a local network. This feature requires Welch Allyn Connex Version 2.0 or higher (not available in all countries). For more information about Connex, see www.welchallyn.com.

  • Page 59: Calibration And Verification

    Calibration and Verification Terms BP test volume repair fixture. Equipment with four separate volume cylinders: 100cc, 200cc, 250cc, and 500cc. Referred to in this procedure as Test Volume. Calibration. Process to change the outputs of the UUT that are out of range. After saving, the changes become permanent until the next calibration.

  • Page 60: Pneumatic Test Assembly Setup

    Calibration and Verification Welch Allyn Spot Vital Signs LXi Pneumatic test assembly setup Equipment: Note See “Tool list” on page 101 for equipment part numbers. • Square fitting connector • Squeeze bulb with bleeding scew • Calibrated pressure meter • Power supply, 0-10 volts, 2 amps capacity or better •...

  • Page 61: Voltage Calibration

    Service Manual Calibration and Verification Voltage Calibration Equipment: Note See “Tool list” on page 101 for equipment part numbers. • UUT • Digital voltage meter • Power supply, 0 to 10 volts, 2 amps capacity or • Battery connector simulator better Disconnect battery and connect power supply to UUT, observing correct polarity.

  • Page 62: Pressure Verification Test

    Calibration and Verification Welch Allyn Spot Vital Signs LXi Pressure verification test Note If this is a new NIBP board, go to “Blood pressure calibration” on page 54 and carefully follow the instructions to initialize this board. Any UUT in the field for a year or longer is due for calibration. See“Blood pressure calibration”...
  • Page 63 Service Manual Calibration and Verification b. If the UUT is not within the pressure tolerance, open the valve to bleed pressure to zero. Select Calibrate > Pressure on the repair software. Proceed to “Blood pressure calibration”. UUT needs calibration. 11. If all readings are within specification, go to “Functional tests”...

  • Page 64: Blood Pressure Calibration

    Calibration and Verification Welch Allyn Spot Vital Signs LXi Blood pressure calibration Note This section updates the pressure calibration of the UUT. If all readings were within specifications during “Pressure verification test” page 52, skip this section and go to “Functional tests”...
  • Page 65 Service Manual Calibration and Verification 9. Enter your initials in the Calibration Signature Field and click OK. UUT resets and powers up in normal mode. 10. Blood Pressure calibration is complete.

  • Page 66: Functional Tests

    Calibration and Verification Welch Allyn Spot Vital Signs LXi Functional tests Note Perform the tests sequentially. Each test is software driven. Selecting the Test button begins the test. Connect and verify the correct cylinder (in parenthesis) or the test will fail.
  • Page 67 Service Manual Calibration and Verification 4. Press each button on the UUT and verify the appropriate button lights on the service computer. 5. When finished close the Buttons Test box and open the Interface box. 6. Perform all commands in this test, verifying the LCD on the UUT responds correctly with each command.

  • Page 68: Temperature Functional Check

    Calibration and Verification Welch Allyn Spot Vital Signs LXi Temperature Functional Check The 9600 Plus Calibration Tester takes approximately 20 minutes to heat to the lowest setting. When testing several thermometers at all three temperatures, it is recommended to test all probes at one Calibration Set Point Temperature before proceeding to the next Calibration Set Point Temperature.
  • Page 69 Manual. 3. Insert the probe into the Thermistor Device Port. Figure 2. 9600 Plus Calibration Tester with the Welch Allyn SureTemp Plus Thermometer 4. Wait for approximately one minute or until temperature on the thermometer is stable for ten seconds. Compare the thermometer's temperature reading to the 9600 Plus Calibration Set Point Temperature.
  • Page 70 Calibration and Verification Welch Allyn Spot Vital Signs LXi Braun ThermoScan Pro 4000 Caution Store thermometers for testing in the same room as the 9600 Plus Calibration Tester for approximately 30 minutes prior to testing to allow for thermal accommodation.

  • Page 71: Masimo Spo2 Functional Check

    Orient the Masimo Tester such that the mini-D connector mates with the SpO2 connector on Spot Vital Signs LXi. 2. Power on Spot Vital Signs LXi and confirm the SpO2 reading in the Display Window is 81%± 3% and the pulse reading is 61 bpm ± 1 bpm.
  • Page 72 Calibration and Verification Welch Allyn Spot Vital Signs LXi...

  • Page 73: Specifications

    Specifications Performance This section describes normal ranges for Spot Vital Signs LXi. Blood Pressure Accuracy Blood pressure accuracy meets or exceeds AAMI SP10:2002 standards for non-invasive blood pressure accuracy (± 5 mmHg mean error, 8 mmHg standard deviation). Blood pressure accuracy is validated for pressure measurement using the upper arm only.
  • Page 74 Specifications Welch Allyn Spot Vital Signs LXi Temperature Specifications Temperature Range SureTemp Plus 80° to 110° F (26.7° to 43.3° C) Braun ThermoScan PRO 4000 68° to 108° F (20° to 42.2° C) Calibration Accuracy SureTemp Plus ±0.2° F (0.1° C) (Monitor Mode) Braun ThermoScan PRO 4000 for displayed ±...

  • Page 75: Spo Specifications

    Service Manual Specifications Specifications Masimo Sensor Accuracy Guide Accuracy specified when used with Masimo SET pulse oximetry monitors or with licensed Masimo SET pulse oximetry modules using PC series patient cables, during no motion. Numbers present ± 1 standard deviation. Plus or minus one standard deviation represents 68% of the population.
  • Page 76 Specifications Welch Allyn Spot Vital Signs LXi Nellcor Sensor Accuracy Guide Accuracy specifications are based on controlled hypoxia studies with healthy, non-smoking adult volunteers over the specified saturation SpO range. Pulse oximeter readings were compared to SaO values of drawn blood samples measured by hemoximetry.

  • Page 77: Mechanical

    Battery Sealed lead acid, with external charger. The Spot Vital Signs LXi battery is 90 to 100% charged after 6 hours of charging. The rechargeable batteries in the Braun ThermoScan PRO 4000 thermometer requires an additional 1 hour to charge and the rechargeable batteries in the external printer require an additional 4 hours to charge.

  • Page 78: Radio

    Specifications Welch Allyn Spot Vital Signs LXi Radio Refer to the manufacturer’s Direction for Use. Mechanical Dimensions 3.93” L x 2.38” W x 1.42” T 99.78mm L x 60.5 mm W x 36.1mm T Mounting Nylon Bracket Operating Temperature -40° C to +85° C Storage Temperature -40°...

  • Page 79: Guidance And Manufacturer's Declaration For Spot Vital Signs Lxi Radio

    Emissions and Immunity Information Electromagnetic Emissions The Spot Vital Signs LXi is intended for use in the electromagnetic environment specified below. The customer or user of the Spot Vital Signs LXi should assure that it is used in such an environment.
  • Page 80 IEC 61000-4-8 Electromagnetic Immunity The Spot Vital Signs LXi is intended for use in the electromagnetic environment specified below. The customer or user of the Spot Vital Signs LXi should assure that it is used in such an environment. Immunity Test...
  • Page 81 Recommended Separation Distances Between Portable and Mobile RF Communications Equipment and the Spot Vital Signs LXi The Spot Vital Signs LXi is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled. The customer or user of the Spot Vital Signs LXi can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF communications equipment (transmitters) and the Spot Vital Signs LXi as recommended below, according to the maximum output power of the communications equipment.
  • Page 82 Specifications Welch Allyn Spot Vital Signs LXi...

  • Page 83: Troubleshooting

    Troubleshooting This chapter provides helpful information in troubleshooting the Spot Vital Signs LXi. Error Codes The following tables of error codes provide a quick reference of the descriptions and probable causes of error codes. Table 1. Informational Error Codes Internal...
  • Page 84 _n/a User decides whether to reset everything back go factory default values. _n/a Error condition occurs causing the unit to Spot Vital Signs LXi will shut down in 1 automatically shut down. The user cannot minute. clear this message. _n/a User confirms to start printing.
  • Page 85 Service Manual Troubleshooting Table 2. Blood Pressure Error Codes Internal Displayed Internal Event Log Description Corrective Action Event Log Device Code Code Number > 10mm residual pressure > minutes. Verify that the supply voltage is within specification. >15mm residual pressure >3 mins. Verify that the supply voltage is within specification.
  • Page 86 Troubleshooting Welch Allyn Spot Vital Signs LXi Table 2. Blood Pressure Error Codes Internal Displayed Internal Event Log Description Corrective Action Event Log Device Code Code Number No info - can’t be produced by Mod F if Excessive noise; check cuff placement and they don’t exist in the code.
  • Page 87 Service Manual Troubleshooting Table 2. Blood Pressure Error Codes Internal Displayed Internal Event Log Description Corrective Action Event Log Device Code Code Number High heart rate. Unable to determine blood pressure; pulse rate may be out-of-range. Too many reinflates. Restrict patient movement. Problem reading the modeule’s EEPROM or Verify that the supply voltage is correct.
  • Page 88 Troubleshooting Welch Allyn Spot Vital Signs LXi Table 3. Post Error Codes Internal Displayed Internal Event Log Description Corrective Action Event Log Device Code Code Number No calibration signature. General internal malfunction; contact technical support. Bad NIBP calibration record. General internal malfunction; contact technical support.
  • Page 89 Service Manual Troubleshooting Table 4. SureTemp Plus Temperature Error Codes Internal Displayed Internal Event Log Description Corrective Action Event Log Device Code Code Number E0.5 No probe temperature rise. Try another predict cycle. If problem persists, replace probe. E0.9 Probe EEPROM is uninitialized. Bad probe Calibrate probe or replace probe.
  • Page 90 Troubleshooting Welch Allyn Spot Vital Signs LXi Table 4. SureTemp Plus Temperature Error Codes Internal Displayed Internal Event Log Description Corrective Action Event Log Device Code Code Number E4.6 Device EEPROM read/save failure. Verify that the batteries are fresh. Try to (CONFIG_MASTER_ACK_FAILURE) make changes again.
  • Page 91 Service Manual Troubleshooting Table 6. Comms Errors Internal Displayed Internal Event Log Description Corrective Action Event Log Device Code Code Number 1000 Invalid Operation in this Context. Internal error, contact Technical Service. 1001 Auto zero in progress. Internal error, contact Technical Service. 1002 Bad checksum.
  • Page 92 5403 Displayed when printing started and print Add paper. head is not closed in place. Table 9. Spot Vital Signs LXi Errors Internal Displayed Internal Event Log Description Corrective Action Event Log Device Code...

  • Page 93: Radio Test

    Service Manual Troubleshooting Table 10. 802.11 b Radio Errors LED Color Function Power Bridge is not receiving power. Bridge failed its Power On Self Test (POST) and is not configured for wireless communication. Amber Bridge passed its POST but is not configured for wireless communication.

  • Page 94: Service Work Checklist

    Troubleshooting Welch Allyn Spot Vital Signs LXi Service Work Checklist Spot Vital Signs Model Number Serial Number BP Cycle Count Technician Date Test Test Data Pass/Fail Test Specification Unit SW Version SPO2 SW Version Thermometry SW Version Unit Pressure @ 0 mmHg...

  • Page 95: Radio Configuration Utility

    Service Manual Troubleshooting Radio Configuration Utility This CD configures the Spot Vital Signs LXi Radio to a local network.Refer to DFU.
  • Page 96 Troubleshooting Welch Allyn Spot Vital Signs LXi...

  • Page 97: Supplies And Accessories

    Supplies and Accessories Blood Pressure Table 1. Reusable Blood Pressure Cuffs (1 per pack) Size Size 4500-01 Child 4500-03 Large Adult 4500-02 Adult 4500-04 Thigh Table 2. Reusable Blood Pressure Cuffs (1 per pack) Size Size REUSE-07-2MQ Infant REUSE-11-2MQ Adult REUSE-08-2MQ Small Child REUSE-12-2MQ...

  • Page 98: Temperature

    05031-101 Disposable SureTemp Plus Probe Covers (1,000 covers, packaged 25/box) 20500-025M Probe Cover-Box 25 400194 Assy, Suretemp Plus Components, Spot Vital Signs LXi 400195 PCA, Suretemp Plus OEM without EDAC Calibrated 400196 PCA, EDAC, Spot Vital signs LXi Table 6. Braun ThermoScan PRO 4000...

  • Page 99: Pulse Oximetry

    Service Manual Supplies and Accessories Pulse Oximetry Masimo Accessories Table 7. Adhesive Sensors: Single-Patient Use Catalog # Description Weight Range Quantity NEO-WRAP-RP Replacement Wrap Neo Adhesive LNCS-INF-3 Disposable Adhesive Finger Sensor-Infant INF-WRAP-RP Replacement Wrap Infant Adhesive YI-AD Multisite Adhesive Wrap AD/PED/NEO, YI Sensor YI-FM Multisite Foam Wrap AD/PED/NEO, YI Sensor...
  • Page 100 Supplies and Accessories Welch Allyn Spot Vital Signs LXi Table 9. Sensor Cables Catalog # Description Weight Range Quantity PC-08 8-foot cable with sensor connector PC-12 12-foot cable with sensor connector...
  • Page 101 Service Manual Supplies and Accessories Nellcor Accessories Table 10. OxiMax Adhesive Sensors: Single-Patient Use Catalog # Description Weight Range Quantity MAX-AI MAX-A Adhesive Sensor, adult >66 lbs (30 kg) Case of 24 MAX-PI MAX-P Adhesive Sensor, pediatric 22 to 110 lbs Case of 24 (10 to 50 kg) MAX-II...

  • Page 102: Miscellaneous

    Spot Vital Signs LXi Configuration CD 4500-907 Spot Vital Signs LXi Firmware Loader CD 4500-915 Image Team 4600 2D Bar Code Scanner Kit 4500-920 Radio Kit 4500-921 Radio Directions for Use 4500-922 802.11 a/b/g Spot Vital Signs LXi Radio Kit...
  • Page 103 Service Manual Supplies and Accessories Description 4500-923 Spot Vital Signs LXi a/b/g Radio Directions for Use 4500-925 USB 2.0 Cable for Wired Connectivity 4500-926 Cable for Wired Connectivity, Keyspan (USB to serial adapter) 4500-927 Spot Vital Signs LXi USB/serial Cable Kit...

  • Page 104: Service Contracts

    Supplies and Accessories Welch Allyn Spot Vital Signs LXi Service Contracts Description 4500-BT0 One-Year Service Contract, BP & Temperature 4500-BTS One-Year Service Contract, BP & Temperature...

  • Page 105: Field Replaceable Units

    Field Replaceable Units The following list identifies the available FRUs for Spot Vital Signs LXi. To order an FRU, contact Welch Allyn Technical Support. Table 1. Spot Vital Signs LXi Base Components Component Number Object Description 400163 ASSY, POWER HARNESS, Spot Vital Signs LXi...
  • Page 106 Field Replaceable Units Welch Allyn Spot Vital Signs LXi Table 1. Spot Vital Signs LXi Base Components 700114 SWITCH ARRAY, Spot Vital Signs LXi 700119 INVERTER, LCD 705653 HOUSING, FRONT, Spot Vital Signs LXi 704423 HSG, PANEL, SPO2-BLANK, Spot Vital Signs LXi...
  • Page 107 400831 BRAUN COMPONENTS, Spot Vital Signs LXi 700112 PLATE, POD MOUNTING, Spot Vital Signs LXi 700820 HSG, BOTTOM, BRAUN POD, Spot Vital Signs LXi 700822 HSG, BRAUN POD, Spot Vital Signs LXi 704365 WINDOW, BRAUN POD, Spot Vital Signs LXi...
  • Page 108 12-FOOT CABLE W/ SENSOR CONN Table 5. Nellcor SpO Components Component Number Object Description 400183 PCA, NELCOR OEM, Spot Vital Signs LXi 400201 NELLCOR SPO2 COMPONENTS, Spot Vital Signs LXi 400610 ASSY, CABLE, FLAT FLEX, SPO2 620377-1 "NELLCOR WORKS HERE" LABEL...
  • Page 109 Kit, Spot Vital Signs LXi 802.11 b Radio 4500-921 802.11 b radio Directions for Use 4500-922 Kit, Wireless Spot Vital Signs LXi 802.11 a/b/g Radio 4500-923 802.11 a/b/g Radio Directions for Use 4500-905 Repair Tool CD, Spot Vital Signs LXi...
  • Page 110 Field Replaceable Units Welch Allyn Spot Vital Signs LXi...

  • Page 111: Disassembly And Repair

    46). An operator may only perform maintenance procedures specifically described in this manual. For service, refer the device to an Authorized Service Center. Note Always disconnect the sealed lead-acid battery in the Spot Vital Signs LXi before performing any repair function. Tool list Description...
  • Page 112 2. Remove the four screws holding the battery door using a phillips-head screwdriver. Remove the battery door to expose the battery. Top, back housing screws (2 places) Battery Door Screws (4 places) 3. Tip the Spot Vital Signs LXi backward and slide the battery out. Disconnect the one- way connector.
  • Page 113 Service Manual Disassembly and Repair 4. Remove the two screws inside the battery housing that are identified with arrows molded into the housing and the two screws at the top of the back upper housing. 5. Hold the device together, lay the back housing on the bench, and carefully lift the top housing off.
  • Page 114 Disassembly and Repair Welch Allyn Spot Vital Signs LXi 8. Disconnect the red electrical connector and the gold ribbon connector. This is located on the main board. Lift up the tab on the white cable retainer so cable can slide out after it is unplugged.

  • Page 115: Key Pad Disassembly

    Service Manual Disassembly and Repair Key Pad Disassembly Gently pull the button switch array out of the cover. 2. Align and push the new button switch array into place.

  • Page 116: Spo Circuit Board Disassembly

    Disassembly and Repair Welch Allyn Spot Vital Signs LXi Circuit Board Disassembly Note To assure proper SpO operation, replace the SpO board using only the Welch Allyn specified part. To assure patient electrical isolation, after the main board is nearly back in...
  • Page 117 Service Manual Disassembly and Repair 4. Slightly rock the circuit board back and forth while lifting straight up. 5. Replace with a new circuit board. Nellcor Lay the LCD flat on an ESD mat. 2. Remove the three screws on the circuit board located behind the LCD. 3.

  • Page 118: Blood Pressure Circuit Board Disassembly

    Disassembly and Repair Welch Allyn Spot Vital Signs LXi Blood Pressure Circuit Board Disassembly Note When replacing the NIBP board see “To initialize the NIBP board:” on page 54 for instructions. Remove the four screws and carefully lift the circuit board straight up. There is one...

  • Page 119: Lcd Inverter Ballast Board Disassembly

    Service Manual Disassembly and Repair LCD Inverter Ballast Board Disassembly This is a small board held in place with two-sided tape. It is located towards the bottom of the main board. Remove the connector at each end and pull straight up while taking care not to damage the board because the adhesive tape has considerable sticking strength.

  • Page 120: Pump Disassembly

    Welch Allyn Spot Vital Signs LXi Pump Disassembly Note For proper blood pressure operation, replace the pump using only the Welch Allyn specifed part. To assure patient electrical isolation, route the pump wires through the rear housing clip feature (near the pump terminals) and held in place with a tiewrap to the holes in the rear housing at the back of the battery compartment.

  • Page 121: Fan And Power Circuit Board Disassembly

    Disassembly and Repair Fan and Power Circuit Board Disassembly Note To prevent buildup of hydrogen gas, replace the fan using only the Welch Allyn specified part. This is a small board held in place with two-sided tape and one connector. Remove the screw before disconnecting the connector.
  • Page 122 Disassembly and Repair Welch Allyn Spot Vital Signs LXi 3. Remove the four screws from the mounting plate and save the fish paper. This exposes the circuit board. 4. Remove the three Torx screws (T10) on the board (one on bottom and one on either side of the probe well cover) and lift the board out of the housing and orient the part as shown.
  • Page 123 Service Manual Disassembly and Repair Braun ThermoScan PRO 4000 Remove the two screws located at the thermometer housing with a T-10 torx wrench. Save the fish paper. 2. Locate the path of the notched tabs on the housing. Slide the housing up and out following this path and set the case aside.
  • Page 124 Disassembly and Repair Welch Allyn Spot Vital Signs LXi...

  • Page 125: Repair Test Specifications

    250 cc cylinder from 5 mmHg to 210 mHg. The maximum limit is 7 seconds. Dump Test The Dump Test is defined as the amount of time it takes Spot Vital Signs LXi to deflate a 500 cc cylinder from 260 mmHg to less than 15 mmHg. The maximum limit is 10 seconds.

  • Page 126: Temperature Option Requirements

    Verify the accuracy of the temperature module is within ±0.2° F for readings with a nomal temperature of 97 .3° F (36.3° C) using a Cal Key (5200-25). Verify Spot Vital Signs LXi can read a temperatures of 96.4° F (35.8° C) and 106° F (41.1° C) within ±0.3° F/±0.2° C using...

  • Page 127: Spo Option Requirements

    Spot Vital Signs LXi displays “ORL ” after you remove the blue thermometer probe from the blue probe well. Option Requirements These tests are only valid on Spot Vital Signs LXi models with the Masimo or Nellcor option. Functional Test “Masimo SpO2 Functional Check”...
  • Page 128 Repair Test Specifications Welch Allyn Spot Vital Signs LXi...
  • Page 130 Reorder No. 4500-89 Material No.704432 Ver. D...

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