Welch Allyn 4802D Service Manual

Welch Allyn Pediatric/Infant Scale with USB
Service Manual
Model 4802D – Pediatric/Infant Scale
For Serial Numbers Beginning with: U1072 only

Welch Allyn 4802D Specifications

General

Display	LCD
Type	Digital Height and Weight Scale
Graduation	0.2 lb / 0.1 kg
Power Source	AC Adapter or Battery
Height Range	24" - 84" / 60 cm - 213 cm
Height Resolution	0.1 inch
Platform Size	14.5 x 14.5 inches

Summary

Introduction

Intended Use and Environments

Specifies the scale's purpose, indications for use, and intended clinical environments.

Safety and Handling

General Warnings and Cautions

Covers critical safety instructions, warnings, and cautions for proper operation.

Electrostatic Discharge (ESD) Precautions

Provides guidelines for handling static-sensitive components to prevent damage.

Support, Warranty, and Service

Technical Support and Warranty Information

Outlines available technical support, warranty terms, and service contact information.

Recommended Service Intervals and Procedures

Specifies maintenance schedules and guides for non-warranty service and returns.

Scale Operation and Configuration

Battery Replacement and Scale Setup

Guides on battery replacement and customizing scale settings via modes like Setup, Service, and Factory.

Calibration Procedure

Step-by-step instructions for performing zero and span calibration on the scale.

Disassembly and Repair

Tools, Connectors, and Disassembly

Lists necessary tools, describes connectors, and provides disassembly instructions for repair.

Troubleshooting and Solutions

Scale Troubleshooting: Beeps, Errors, and Symptoms

Lists common scale sounds, error messages, and symptoms with their meanings for troubleshooting.