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Welch Allyn Spot Vital Signs 4400 Service Manual

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

Table of Contents

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Welch Allyn Spot Vital Signs 4400 Specifications

General IconGeneral
Blood Pressure MeasurementOscillometric
DisplayLCD
Device TypeBlood Pressure Monitor
ConnectivityBluetooth, USB
SpO2 Range70% to 100%
NIBP Diastolic Range20 to 195 mmHg
PowerRechargeable lithium-ion battery
Measurement ParametersNIBP, SpO2, Pulse Rate, Temperature
Cuff SizeAdult, Large Adult, Pediatric

Summary

Symbols and definitions

Documentation symbols

Defines symbols used for documentation in the manual.

Power symbols

Defines symbols related to power and battery status indicators.

About warnings and cautions

General warnings and cautions

Provides essential safety warnings for proper device usage.

Safety

General safety considerations

Outlines general safety practices for device operation and maintenance.

Electrostatic discharge (ESD)

Details precautions to prevent damage from static electricity.

Overview

Purpose and scope

Defines the manual's objective, scope, and intended audience.

Technical support services

Information on available technical support and service options.

Recommended service intervals

Specifies periodic maintenance schedules for device components.

The Welch Allyn Service Tool

Introduces the software tool for device maintenance and calibration.

Battery performance

Details battery specifications, usage, and best practices for longevity.

Controls, indicators, and connectors

Front-Left view

Identifies controls and indicators on the front-left side of the device.

Advanced settings

Access Advanced settings

Provides steps to access the device's advanced settings menu.

General tab

Settings for language, date, time, and open source software disclosure.

Parameters tab

Settings for physiological parameters and additional patient data.

Service tab

Settings and features for device installation and troubleshooting.

Power-up sequence

Power-up sequence overview

Describes the device's power-on self-test (POST) and startup process.

Power button functions

Explains the various functions of the device's power button.

Device Power Operations

Power up the device

Instructions for powering on the device and performing initial checks.

Power down the device

Procedure to properly power down the device safely.

Disassembly and repair

Reassembly notes

Contains notes and cautions for reassembly after component replacement.

Required tools and equipment

Lists necessary tools for disassembly and repair procedures.

Torque value table

Provides torque specifications for screws during reassembly.

Connector types

Describes various connector types encountered during disassembly.

Disassembly Procedures

Disassembly overview

Provides a flowchart overview of the complete device disassembly process.

Remove the device from the Mobile stand

Instructions for detaching the device from its mobile stand.

Remove the device from the 4400-DST Desk stand

Instructions for detaching the device from the desk stand.

Remove device from Integrated Wall Panel

Instructions for detaching the device from a wall panel mount.

Exploded view diagram

Illustrates the device's components and their relationships.

Remove the battery

Step-by-step guide to safely remove the device's battery.

Remove the back housing

Procedure for removing the rear casing of the device.

Remove the power harness

Steps to disconnect and remove the internal power harness.

Remove the SureTemp module

Instructions for removing the SureTemp temperature sensing module.

Disconnect SureTemp ribbon cable

Guide to disconnecting the SureTemp module's ribbon cable.

Remove the Nonin SpO2 board

Steps to remove the SpO2 sensor board.

Remove the NoninSpO2 adapter board

Procedure to remove the SpO2 adapter board.

Separate main PCA board from front housing

Instructions for detaching the main PCA board from the front casing.

Remove the LCD from the main PCA board

Steps to carefully detach the LCD screen from the main PCA board.

Attach the LCD to the main PCA board

Instructions for reconnecting the LCD screen to the main PCA board.

Secure LCD flex cable and ferrite

Details on securing the LCD flex cable and ferrite with tape.

Remove the sensor housing

Procedures for removing the device's sensor housing.

Remove the pump assembly

Steps to detach and remove the pneumatic pump assembly.

Replace the main PCA board

Guide for replacing the main PCA board, including service tool usage.

Remove the SpO2 insert

Instructions for removing the SpO2 sensor insert.

Remove the front housing bezel

Steps for removing the rubber bezel from the front casing.

Attach the bezel to the front housing

Instructions for reinstalling the front housing bezel.

Remove the SureTemp probe end cap

Steps to remove the end cap from the SureTemp probe.

Remove the power switch

Instructions for removing the device's power switch.

Attach the power switch

Steps for reinstalling the device's power switch.

Remove power supply from mobile stand

Instructions for removing the power supply unit from its stand.

Field replaceable units

About service kits

Explains the purpose and usage of service kits for parts.

List of service kits

Provides a detailed list of service kits with material numbers and descriptions.

Cleaning the device

Remove liquid spills from the device

Procedure for cleaning up liquid spills on the device.

Dry the equipment

Instructions for drying device components after cleaning.

Device Storage

Store the device

Guidelines for storing the device to maintain its condition.

Functional verification and calibration overview

Functional verification tests

Explains the purpose of functional verification and calibration tests.

About the Welch Allyn Service Tool

Details the different editions and capabilities of the Welch Allyn Service Tool.

Standard unlicensed edition service tool tests

Lists tests performed by the standard edition of the service tool.

Gold edition service tool tests

Lists tests performed by the Gold edition of the service tool.

Electrical safety testing

Recommendations for electrical safety testing procedures.

Basic functional verification

Describes basic functional verification checks for device parameters.

Basic functional verification tools

Lists the necessary tools for performing basic functional verification.

NIBP test setup

Diagram and instructions for setting up NIBP testing equipment.

NIBP tests

Overview of NIBP leak test, overpressure, and accuracy checks.

NIBP leak test (Standard edition)

Procedure for performing the NIBP leak test using the service tool.

Perform an NIBP leak test

Step-by-step guide to execute the NIBP leak test.

NIBP overpressure test (Standard edition)

Procedure for verifying NIBP overpressure protection.

Perform an NIBP overpressure test

Step-by-step guide to execute the NIBP overpressure test.

NIBP accuracy check (Standard edition)

Procedure for manually checking NIBP accuracy.

Perform an NIBP accuracy check

Step-by-step guide to execute the NIBP accuracy check.

SpO2 tests

Procedures for testing the device's SpO2 function.

SpO2 test setup

Diagram and instructions for setting up SpO2 testing equipment.

Perform an SpO2 accuracy test

Steps to test the device's SpO2 function accuracy.

Thermometry tests

Procedures for testing the device's thermometry function.

Thermometry test setup

Diagram and instructions for setting up thermometry testing.

SureTemp temperature system test

Procedure for testing the SureTemp temperature system.

Perform a SureTemp temperature system test

Step-by-step guide to perform the SureTemp system test.

Set up the 9600 Plus calibration tester

Instructions for setting up the calibration tester.

Change the 9600 Plus set point

How to adjust the set point on the calibration tester.

Perform SureTemp probe and system test

Tests the temperature probe and system functionality.

Service record

Template for recording test results and service information.

Full functional verification and calibration

Functional verification test setup

Diagram for connecting equipment for full verification and calibration.

Full functional verification and calibration tools

Lists tools required for comprehensive device testing and calibration.

Initialize the NIBP board

Procedure to initialize the NIBP board after replacement or calibration.

Options and upgrades

Available options

Lists the available model configurations and options.

Upgrading software with Service Tool

Guide for upgrading device firmware using the Welch Allyn Service Tool.

Software rollback capability

Explains how to revert to previous software versions.

Upgrade the device firmware

Step-by-step instructions for updating device firmware.

Partners in Care service and support agreements

Information on Welch Allyn's service and support programs.

Service and repair training

Details available training for service personnel.

Appendix

Specifications

Technical specifications for the device, including physical and electrical.

Physical specifications

Details device dimensions, weight, and protection classifications.

Battery specifications

Provides specifications for the device's battery.

NIBP specifications

Detailed specifications for the Non-Invasive Blood Pressure (NIBP) module.

SureTemp Plus temperature module specifications

Specifications for the SureTemp Plus temperature measurement module.

SpO2 specifications

Specifications for the SpO2 (Oxygen Saturation) monitoring module.

Environmental specifications

Operating and storage conditions for temperature and humidity.

USB flash drive requirements

Requirements for compatible USB flash drives.

Factory defaults

Settings that are default upon manufacturing.

Manual parameters

User-configurable parameters for device settings.

NIBP Manual Parameters

Specific manual parameter settings for the NIBP module.

Temperature Manual Parameters

Specific manual parameter settings for the Temperature module.

Troubleshooting

Interpreting log file output

How to read and understand device error log files.

Symptoms and solutions

Lists common symptoms, causes, and suggested actions for troubleshooting.

Save log files

Steps to save device log files to a USB flash drive.

Access log files

Procedure to access and analyze saved log files from a USB drive.

Symptoms and solutions (NIBP)

Troubleshooting guide for NIBP-related symptoms and their solutions.

Symptoms and solutions (Temperature)

Troubleshooting guide for temperature measurement symptoms.

Symptoms and solutions (Software Upgrade)

Troubleshooting guide for failed software upgrade attempts.

Symptoms and solutions (SpO2)

Troubleshooting guide for SpO2 measurement symptoms.

Information and error messages

Tables detailing device messages, causes, and suggested actions.

NIBP messages

Lists NIBP-related messages, their causes, and suggested actions.

SpO2 messages

Lists SpO2-related messages, their causes, and suggested actions.

Nonin messages

Lists messages related to the Nonin SpO2 sensor.

Temperature messages

Lists temperature-related messages, their causes, and suggested actions.

Temperature messages (continued)

Further details on temperature module error messages.

Patient data messages

Messages related to patient data saving and management.

System messages

General system error messages and suggested actions.

Service and maintenance toolset

Spot Vital Signs 4400 Toolset

Lists tools for verification, calibration, and maintenance.

General test equipment

Lists general test equipment needed for device service.

NIBP testing tools

Lists tools specifically for NIBP functional verification and calibration.

SpO2 configuration testing tools

Lists tools for SpO2 configuration and verification.

SureTemp Plus configuration testing tools

Lists tools for SureTemp Plus temperature configuration and verification.

Miscellaneous Tools

Lists general miscellaneous tools required for service.

Service software IT setup

Welch Allyn Service Tool IT setup

Details IT requirements for the Welch Allyn Service Tool.

File outbound types

Lists file types for outbound data transfer.

File inbound types

Lists file types for inbound data transfer.

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