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LG LRFD21855ST - User Manual

LG LRFD21855ST
40 pages
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CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
REFRIGERATOR
SERVICE MANUAL
COLOR:STAINLESS STEEL
MODEL: LRFD25850ST
LRFD21855ST

Questions and Answers:

LG LRFD21855ST Specifications

General IconGeneral
TypeFrench Door
Total Capacity21.8 cu. ft.
FinishStainless Steel
Ice MakerYes
Freezer Capacity6.9 cu. ft.
Energy Star QualifiedYes
Water DispenserYes
Door-in-DoorNo
ColorStainless Steel

Summary

SAFETY PRECAUTIONS

General Safety Precautions

Important safety instructions and precautions to follow before servicing the refrigerator unit.

SPECIFICATIONS

Technical Specifications

Detailed technical specifications for the refrigerator model, including dimensions and components.

PARTS IDENTIFICATION

Component Identification

Diagrams and labels identifying various internal and external parts of the refrigerator.

DISASSEMBLY

ADJUSTMENT

CIRCUIT DIAGRAM

Electrical Circuit Schematics

Schematic diagrams illustrating the electrical circuits of the refrigerator.

TROUBLESHOOTING

Compressor and Electric Components Troubleshooting

Troubleshooting steps for the compressor and related electrical components.

PTC and OLP Troubleshooting

Diagnosing issues with the PTC starter and Overload Protector (OLP).

Other Electrical Components Troubleshooting

Troubleshooting for other electrical components like fan motors and defrost heaters.

Service Diagnosis Chart

A diagnostic chart linking refrigerator complaints to specific points for checking and remedies.

Refrigeration Cycle Troubleshooting

Troubleshooting chart detailing issues related to the refrigeration cycle and their causes.

Sealed System Diagnosis

Diagnostic flowchart for identifying problems within the refrigerator's sealed system.

Power Source Issues

Troubleshooting steps for problems related to a poor power source.

Cooling Performance Issues

Diagnosing and resolving issues with poor cooling performance in the refrigerator.

Freezer Temperature Incorrect

Troubleshooting steps when the freezer temperature is not correct.

Defrosting Issues

Troubleshooting steps for problems related to the defrosting system.

ICEMAKER OPERATION AND REPAIR

MICOM FUNCTION AND CIRCUIT

Defect Diagnosis Function

Procedure for the automatic defect diagnosis system and interpretation of error codes.

Test Mode Operations

Guide to operating the product in test mode for checking PCB and functions.

PCB FUNCTION

MAIN PWB ASSEMBLY AND PARTS LIST

EXPLODED VIEW & REPLACEMENT PARTS LIST

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