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LG GR-S642 User Manual

LG GR-S642
46 pages
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CAUTION
BEFORE SERVICING THE UNIT, READ THE "SAFETY
PRECAUTIONS" IN THIS MANUAL.
MODEL: GR-S642/GR-S702
REFRIGERATOR
SERVICE MANUAL
http://biz.lgservice.com
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LG GR-S642 Specifications

General IconGeneral
BrandLG
ModelGR-S642
CategoryRefrigerator
LanguageEnglish

Summary

SAFETY AND SERVICING GUIDELINES

General Safety Precautions

Essential safety rules before servicing the refrigerator.

Refrigerant Handling and System Servicing

Procedures for refrigerant charging and system operations.

SPECIFICATIONS, PARTS, AND DISASSEMBLY

Model Specifications and Parts Identification

Technical details and visual identification of refrigerator components.

Disassembly Procedures

Step-by-step instructions for taking apart key refrigerator components.

ADJUSTMENT AND CIRCUITRY

Component Adjustments and Functions

Guidance on adjusting compressor, PTC-starter and related functions.

Circuit Diagrams and PCB Functions

Electrical circuit diagrams and explanation of PCB functionalities.

TROUBLESHOOTING AND DIAGNOSTICS

Compressor, Electric, and Refrigerating Cycle Issues

Troubleshooting for common faults in components and the cooling system.

Service Diagnosis and Error Detection

Methods for diagnosing faults and identifying error codes.

MICOM CONTROL AND OPERATION

Temperature Control, Fans, and Alarms

Features like temperature modes, fan speed, and door open alarms.

Defrosting, Test, and Error Modes

Operation of defrost cycles, diagnostic, and test modes.

PRINTED CIRCUIT BOARD (PCB) DETAILS

PCB Circuitry Overview

Explanation of power, oscillation, reset, and sensor circuits.

PWB Diagrams and Parts Lists

Assembly diagrams and component lists for main and display PCBs.

EXPLODED VIEWS AND PARTS LISTS

Refrigerator Component Exploded Views

Illustrated breakdowns of major refrigerator parts.

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