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LG GR-S462 User Manual

LG GR-S462
35 pages
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CAUTION
BEFORE SERVICING THE UNIT, READ THE "SAFETY
PRECAUTIONS" IN THIS MANUAL.
MODEL: GR-S462/GR-S512
REFRIGERATOR
SERVICE MANUAL
http://biz.lgservice.com
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LG GR-S462 Specifications

General IconGeneral
BrandLG
ModelGR-S462
CategoryRefrigerator
LanguageEnglish

Summary

SERVICING PRECAUTIONS

Air Recharging in Compressor

Procedure for refilling the refrigeration system with refrigerant.

1. SPECIFICATIONS

2. PARTS IDENTIFICATION

3. DISASSEMBLY

3-1 DOOR

Instructions for removing refrigerator doors.

3-2 DOOR SWITCH

Procedure to remove and disconnect the door switch.

3-3 THERMISTOR

Steps for removing the thermistor and associated components.

3-4 FAN AND FAN MOTOR

Guide to disassembling the fan and fan motor assembly.

3-5 DEF' CONTROL ASM

Steps to remove the defrost control assembly.

3-6 LAMP

Instructions for lamp removal and replacement.

3-7 CONTROL BOX-R

Procedure for accessing and removing the control box.

4. ADJUSTMENT

4-1 COMPRESSOR ROLE AND HANDLING

Explanation of compressor function, composition, and usage notes.

4-2 PTC-STARTER MECHANISM

Details about the PTC starter's composition, role, and operation.

4-3 OLP (OVER LOAD PROTECTOR)

Definition, role, and handling precautions for the OLP.

5. CIRCUIT DIAGRAM

6. TROUBLESHOOTING

6-1 COMPRESSOR AND ELECTRIC COMPONENTS

Troubleshooting steps for compressor and related electrical parts.

6-2 PTC AND OLP DIAGNOSIS

Diagnostic procedures for PTC starters and Over Load Protectors.

6-3 OTHER ELECTRIC COMPONENTS

Troubleshooting guide for miscellaneous electrical components.

6-4 SERVICE DIAGNOSIS CHART

A systematic chart for diagnosing common appliance complaints.

6-5 REFRIGERATING CYCLE ISSUES

Troubleshooting guide for problems with the refrigerating cycle.

7. DESCRIPTION OF FUNCTION & CIRCUIT OF MICOM

7-1 FUNCTIONAL MODES AND OPERATION

Explains temperature control settings and operational sequences.

7-1-5 ERROR DIAGNOSTIC MODE

Details error codes and their interpretation for diagnostics.

7-2 PCB CIRCUITRY AND FUNCTIONS

Overview of the Printed Circuit Board (PCB) functions and circuits.

7-3 SENSOR RESISTANCE SPECIFICATIONS

Resistance values for temperature sensors at various temperatures.

7-4 TROUBLE SHOOTING GUIDELINES

General troubleshooting steps for common cooling and defrosting issues.

7-5 MAIN PWB ASSEMBLY AND PARTS LIST

7-5-1 MAIN PWB ASSEMBLY LAYOUT

Diagram showing the layout of components on the main PCB.

7-5-2 REPLACEMENT PARTS LIST

Comprehensive list of replaceable parts with specifications.

8. EXPLODED VIEW

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