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LG GR-B207WVQ.CSWQAGE User Manual

LG GR-B207WVQ.CSWQAGE
72 pages
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CAUTION
PLEASE READ CAREFULLY THE SAFETY PRECAUTIONS OF THIS BOOK
BEFORE CHECKING OR OPERATING THE REFRIGERA
TOR .
REFRIGERATOR
SERVICE MANUAL
http://biz.lgservice.com
MODEL:GR-B207WVQ.CSWQAGE
Color:Super White

Table of Contents

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LG GR-B207WVQ.CSWQAGE Specifications

General IconGeneral
Energy Efficiency ClassA+
ColorWhite
Energy RatingA+
Defrost SystemNo Frost
Ice MakerNo
Water DispenserNo

Summary

Safety Warnings and Precautions

Refrigerator Installation Guide

Adjusting Door Height

Instructions on how to adjust the refrigerator door height to ensure proper alignment and leveling.

MICOM Control Functions

Monitor Panel and Buttons

Description of the display panel, LEDs, and temperature adjustment buttons for refrigerator and freezer.

Temperature Selection Function

Details on how to select temperature settings for freezer and refrigerator compartments.

Frost Removal Function

Details the automatic frost removal cycle based on compressor operation time.

Trouble Diagnosis Function

Explains how the refrigerator detects and displays failure codes via LEDs for service.

MICOM CIRCUIT EXPLANATIONS

Circuit Diagrams

Troubleshooting Guide

Troubleshooting: Faulty Start

Diagnosing issues related to the refrigerator failing to start, including power and circuit checks.

Troubleshooting: No Cooling

Diagnosing and resolving issues where the refrigerator is not cooling properly, focusing on refrigerant system blockages.

Troubleshooting: Refrigeration Weak

Addressing symptoms of weak refrigeration, including refrigerant leaks and poor defrosting capacity.

Troubleshooting: Warm Compartment

Measures for a warm refrigerator compartment, including food storage and temperature control issues.

Troubleshooting: No Auto Operation

Diagnosing issues with the refrigerator not operating automatically due to sensor or contact faults.

Troubleshooting: Dew & Ice Formation

Addressing problems with condensation and ice buildup inside the refrigerator and freezer compartments.

Compressor Diagnosis

Detailed troubleshooting steps for compressor issues, including electrical checks and forced operation.

Fan Motor Diagnosis

Diagnosing faults in the fan motor related to door switch operation and environmental conditions.

Refrigerant Shortage Diagnosis

Steps to identify and address issues related to refrigerant shortage in the system.

Leak Diagnosis

Procedures for checking and repairing leaks in the refrigerant loop pipe, especially at weld joints.

Bad Defrosting Diagnosis

Troubleshooting steps for faulty defrosting cycles, including heater wire and sensor checks.

Sensor Diagnosis

Troubleshooting steps for defective freezer and refrigerator sensors, including resistance checks.

Heavy Repair: Cooling Cycle Standards

Standards and procedures for heavy repairs related to the R134a refrigerant cooling cycle.

Heavy Repair: Leak Testing

Methods for performing gas leakage tests on welded or suspicious areas of the refrigeration system.

Disassembly and Assembly Guide

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