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LG GR-B197DVCA User Manual

LG GR-B197DVCA
119 pages
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CAUTION
PLEASE READ CAREFULLY THE SAFETY PRECAUTIONS OF THIS BOOK
BEFORE CHECKING OR OPERATING THE REFRIGERATOR.
REFRIGERATOR
SERVICE MANUAL
MODEL: GR-B197DVCA
COLOR: SUPER WHITE
http://biz.lgservice.com
Ref. No.
GR-B197DVCA
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LG GR-B197DVCA Specifications

General IconGeneral
BrandLG
ModelGR-B197DVCA
CategoryRefrigerator
LanguageEnglish

Summary

Safety Precautions and Warnings

Refrigerator Installation Guide

Refrigerator Installation: Water Pipe

Installing the Water Pipe

Instructions and parts for installing the refrigerator's water pipe connection.

Refrigerator Installation: Water Supply

Connecting Water Pipes and Water Supply

Details on connecting water pipes and performing the initial water supply test.

Refrigerator Installation: Water Filter Details

Water Filter Installation and Replacement

Step-by-step instructions for installing and replacing the water filter.

Refrigerator Installation: Icemaker Water Control

Confirming Icemaker Water Supply

Procedure to confirm and check the amount of water supplied to the icemaker.

Refrigerator Installation: Icemaker Water Adjustment

Refrigerator MICOM Functionality

MICOM Functions: Ice Maker Operation

MICOM Functions: Failure Diagnosis

Failure Diagnosis Function and Codes

Explains the failure diagnosis function and how trouble codes are displayed.

MICOM Functions: Test Mode

Ice Maker and Dispenser Operation Principles

Ice Maker Working Principles

Explains the working principles of the automatic ice maker.

Dispenser Working Principles

Details the working principles of the water and ice dispenser.

Ice Maker Function Details

Ice Maker Function: Ice Ejection

Ice Maker Troubleshooting Guide

Ice Maker Troubleshooting Steps

Flowchart for diagnosing and troubleshooting ice maker issues.

Trouble Diagnosis: Faulty Start

Diagnosing Faulty Start Conditions

Identifies causes and checks for refrigerators that fail to start properly.

Trouble Diagnosis: No Cooling

Diagnosing No Cooling Issues

Covers causes and checks for refrigeration systems that are not cooling.

Trouble Diagnosis: Weak Refrigeration

Diagnosing Weak Refrigeration Performance

Addresses issues causing weak refrigeration, including leaks and defrost problems.

Trouble Diagnosis: Weak Refrigeration (Continued)

Diagnosing Cooling Air Leaks and Fan Issues

Covers cooling air leaks, faulty fan motors, and door switch issues.

Trouble Diagnosis: Weak Refrigeration (Further)

Diagnosing Compressor Capacity and Refrigerant Issues

Addresses compressor capacity, refrigerant levels, and damper operation.

Trouble Diagnosis: Temperature and Operation Issues

Trouble Diagnosis: Ice Formation and Sounds

Trouble Diagnosis: Operational Sounds

Trouble Diagnosis: Lamp and Voltage Issues

Faults: Power and Compressor Issues

Power Supply Faults

Troubleshooting power supply issues like no power or blown fuses.

Compressor Faults

Diagnosing compressor problems such as faulty PTC or frozen operation.

Faults: Temperature and Cooling Issues

Diagnosing High Freezer Temperature and Fan Motor Faults

Covers high freezer temperatures and faulty fan motors.

Faults: Cooling Performance

Diagnosing Refrigerant Leaks and Shortages

Addresses refrigerant leaks and shortages affecting cooling performance.

Faults: Cooling Performance (Continued)

Diagnosing Clogged Cooling Pipes and Fan Issues

Covers clogged cooling pipes and faulty cooling fans in the compressor compartment.

Faults: Defrosting Failures

Diagnosing Heater and Duct Failures

Covers heater failures, clogged ducts, and wrong heater ratings.

Faults: Defrosting Failures (Continued)

Diagnosing Icing and Connector Issues

Addresses icing in ducts, connector issues, and faulty components.

Trouble Diagnosis: Icing Issues

Diagnosing Icing in Refrigerator and Freezer Compartments

Covers icing due to poor air circulation, faulty doors, and overcooling.

Trouble Diagnosis: Icing Issues (Continued)

Diagnosing Freezer Icing and User Error

Addresses icing in the freezer, faulty MICOM, and user unfamiliarity.

Trouble Diagnosis: Operational Sounds (Continued)

Trouble Diagnosis: Operational Sounds (Further)

Trouble Diagnosis: MICOM and Display Issues

Diagnosing MICOM Power and LED Display Problems

Covers MICOM power issues and abnormal display LED operations.

Trouble Diagnosis: MICOM and Cooling Issues

Diagnosing MICOM Cooling and Freezer Sensor Faults

Addresses MICOM cooling issues, freezer sensor faults, and fan motor problems.

Trouble Diagnosis: MICOM and Cooling Issues (Continued)

Diagnosing MICOM Damper and Refrigerator Sensor Faults

Covers MICOM damper issues and refrigerator sensor faults.

Trouble Diagnosis: MICOM, Defrost, and Buzzer

Diagnosing MICOM Defrost and Buzzer Failures

Addresses MICOM defrost failures and buzzer issues.

Trouble Diagnosis: Dispenser Issues

Diagnosing Dispenser Water/Ice and Component Failures

Covers dispenser water/ice issues and component failures like relays and photo couplers.

Cooling Cycle Heavy Repair Standards

Heavy Repair Standards for R134a Refrigerant

Outlines heavy repair standards for refrigerators using R134a refrigerant.

Cooling Cycle Heavy Repair: Process Summary

Cooling Cycle Heavy Repair: Precautions

Cooling Cycle Heavy Repair: Practical Work

Cooling Cycle Heavy Repair: Vacuum and Charging

Cooling Cycle Heavy Repair: Regulations and Tests

Dealing with Claims: Operational Sounds

Dealing with Claims: Operational Sounds (Continued)

Temperature Symptom Measures

Addressing Weak Refrigeration and Frozen Food

Provides measures for weak refrigeration and food not freezing properly.

Addressing Cool Water, Soft Ice Cream, and Frozen Vegetables

Measures for cool water, soft ice cream, and frozen vegetables.

Odor and Frost Issues

Managing Refrigerator Odors

Explains basic principles of food odor and how to manage it.

Understanding Frost Formation

Explains basic principles of frost formation in the freezer and ice tray.

Disassembly and Assembly: Refrigerator Door

Disassembly and Assembly: Handles, Fans, and Icemaker

Disassembly and Assembly: Dispenser Components

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