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LG LRSC26930TT User Manual

LG LRSC26930TT
131 pages
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CAUTION
PLEASE READ CAREFULLY THE SAFETY PRECAUTIONS OF THIS MANUAL
BEFORE CHECKING OR OPERATING THE REFRIGERATOR.
REFRIGERATOR
SERVICE MANUAL
LRSC26944SW, LRSC26944TT
LRSC26930SW, LRSC26930TT
LRSC26922SW, LRSC26922TT
LRSC26920SW, LRSC26920TT
LRSC26911SW, LRSC26911TT
LRSC26910SW, LRSC26910TT
LRSC26980TT
http://biz.lgservice.com

Questions and Answers:

LG LRSC26930TT Specifications

General IconGeneral
BrandLG
ModelLRSC26930TT
CategoryRefrigerator
LanguageEnglish

Summary

Safety and General Information

Warnings and Precautions for Safety

Essential safety guidelines to prevent accidents and injuries during refrigerator operation and servicing.

Refrigerator Specifications

Parts Identification Guide

Refrigerator Installation Procedures

How to Adjust Door Height

Guides users on adjusting the refrigerator door height for proper leveling.

Water Filter Replacement

Instructions for replacing the water filter cartridge, including reset procedures.

Icemaker Water Supply Control

Details on adjusting water supply levels for the icemaker using the control switch.

Icemaker Operation Guide

Guidance on operating the icemaker, including initial setup and cube production.

MICOM Functions and Circuit Explanations

Monitor Panel and Control Features

Explains monitor panel, MICOM control features, dispenser, and freezing modes.

OptiChill Functionality

Details OptiChill temperature control for specific food storage needs.

Fan, Alarm, Defrost, and Lamp Functions

Covers fan control, alarms, defrost cycles, and refrigerator lamp operation.

Component Operation Sequences and Failure Diagnosis

Explains sequential component operation and the failure diagnosis system.

Self-Diagnostic Test Function

Details the self-diagnostic system for detecting and repairing problems.

MICOM Circuit Descriptions

Detailed explanation of MICOM circuits including power, oscillation, reset, and load driving.

Sensor and Motor Control Circuits

Explains door sensing, temperature sensing, and stepping motor control circuits.

Communication and PWB Diagrams

Covers MICOM communication and PWB diagrams, including model variations.

Icemaker Operation Principles and Repair

Icemaker Operation Principle

Explains the step-by-step operational principle of the icemaker.

Icemaker Control Methods

Details start position, icemaking mode, and harvest/dump mode controls.

Icemaker Fill, Park, Test, and Defect Diagnosis

Covers fill/park positions, testing procedures, and diagnosis of icemaker defects.

Circuit Diagrams

Main PWB Circuit Diagram

Circuit diagram for the main PWB assembly.

Display and OptiChill Circuit Diagrams

Circuit diagrams for the OptiChill display and display PWB assemblies.

Comprehensive Trouble Diagnosis

Troubleshooting: Start, Cooling, and Refrigeration Issues

Diagnoses for faulty start, no cooling, weak refrigeration, and air circulation problems.

Troubleshooting: Capacity, Operation, and Temperature Issues

Addresses compressor capacity, refrigerant levels, operation, and temperature problems.

Troubleshooting: Condensation, Ice, Sounds, and Odors

Diagnoses condensation, ice buildup, sounds, odors, structure, and appearance issues.

Troubleshooting: Power, Compressor, and Lamps

Troubleshooting power, compressor, lamp, and electrical short circuit issues.

Troubleshooting: MICOM System and Fan Issues

Diagnoses MICOM system, fan motor, cooling, defrosting, and icing problems.

Troubleshooting: Other Issues

Covers icing in compartment, door issues, and general observation-based troubleshooting.

Troubleshooting: Sound, Odor, and Temperature Variations

Addresses sound, odor, temperature variations, and structural issues.

Troubleshooting: MICOM and System Operation Errors

Diagnoses MICOM errors, buzzer issues, dispenser problems, and freezer temperature issues.

Heavy Repair Procedures

Cooling Cycle Heavy Repair Standards

Standards for heavy repair involving R134a refrigerant, including pipes, welding, and vacuum.

Heavy Repair Precautions and Practical Work

Precautions during heavy repair, vacuum degassing, refrigerant charging, and pipe arrangement.

Handling Customer Claims

Claims Related to Sounds and Temperature Symptoms

Guidance on addressing customer claims regarding refrigerator sounds and temperature issues.

Claims Related to Odor, Frost, and Others

Addressing customer claims for odors, frost, structural issues, and door problems.

Component Disassembly and Assembly

Door Disassembly and Assembly

Step-by-step guide for removing and reattaching refrigerator doors.

Handle and Fan Shroud Grille Disassembly

Instructions for disassembling handles and fan shroud grilles.

Icemaker and Dispenser Component Removal

Procedures for disassembling icemaker and dispenser components.

TV-Radio Functionality and Troubleshooting

TV-Radio Safety, Features, and Controls

Safety, features, controls, and remote functions for the TV-Radio unit.

TV-Radio Troubleshooting Guide

Troubleshooting steps for TV, FM radio, and general issues.

Exploded Views of Refrigerator Parts

Dispenser, Freezer, and Refrigerator Door Parts Diagrams

Exploded views of dispenser, freezer door, and refrigerator door components.

Compartment and System Components Diagrams

Exploded views of freezer, refrigerator, ice/water, machine, and dispenser components.

TV Part Components Diagram

Exploded view showing the components of the TV unit.

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