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Welch Allyn 6400 Service Manual

Welch Allyn 6400
130 pages
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Welch Allyn Vital Signs Monitor
6000 Series™
Service manual

Table of Contents

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Welch Allyn 6400 Specifications

General IconGeneral
CategoryMedical Equipment
Model6400
Measurement MethodOscillometric
Pressure Range0-300 mmHg
Power Source4 AA batteries or AC adapter
DisplayLCD
TypeBlood Pressure Monitor

Summary

Symbols

Safety

Warnings and Cautions

Highlights critical safety warnings and cautions to prevent injury or equipment damage.

General Safety Considerations

Provides essential safety guidelines for monitor operation and maintenance.

Electrostatic Discharge (ESD) Precautions

Details procedures and precautions to prevent damage from electrostatic discharge.

Service Menu Navigation and Functions

Troubleshooting Monitor Issues

Symptoms and Solutions

Guides users through identifying symptoms, causes, and suggested actions for common problems.

Technical Alarm Messages and Resolution

Lists technical alarms, their possible causes, and recommended steps for resolution.

Disassembly and Repair Procedures

Required Tools and Equipment for Repair

Lists specialized tools and equipment necessary for disassembly and repair tasks.

Powering Down the Monitor Safely

Instructions for safely powering down the monitor before performing service.

Battery Removal and Replacement

Step-by-step guide for removing and reinstalling the monitor's battery pack.

Removing the Rear Housing

Procedure for disassembling the rear casing to access internal components.

Removing the Bottom Housing

Instructions for removing the bottom section of the monitor's casing.

Removing the Top Housing

Guide for disassembling the top section of the monitor's casing.

Removing the Main Board

Detailed steps for safely removing the main logic board from the monitor.

Removing the LCD Display Assembly

Procedure for disassembling and removing the liquid crystal display unit.

Removing the Front Housing

Steps for disassembling and removing the front casing of the monitor.

Functional Verification Tests

Electrical Safety Testing Procedures

Field Replaceable Units (FRUs)

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