Table of Contents
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REFRIGERATOR
SERVICE MANUAL
CAUTION
PLEASE READ CAREFULLY THE SAFETY PRECAUTIONS OF THIS MANUAL
BEFORE CHECKING OR OPERATING THE REFRIGERATOR.
LRSC26925SW
LRSC26925TT
LRSC26923SW
LRSC26923TT
http://biz.lgservice.com
LRSC26915SW
LRSC26915TT
LRSC26912SW
LRSC26912TT
LRSC26940SW
LRSC26940SB
LRSC26940TT
LRSC26940ST
LRSC26941SW
LRSC26941SB
LRSC26941ST
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Table of Contents
Troubleshooting
Related Manuals for LG LRSC26941SB
Summarization of Contents
Installation Guide
Adjust Door Height
Guides on adjusting refrigerator door height for leveling.
Filter Replacement
Instructions for replacing the water filter cartridge and resetting the indicator.
Icemaker Water Supply Control
How to check and control the water amount supplied to the icemaker.
Icemaker Water Supply Adjustment
Controlling icemaker water supply via DIP switch settings.
MICOM Functionality
Monitor Panel and Display Functions
Explains the control panel, secondary display features, and basic modes.
Temperature and Dispenser Controls
Details temperature selection, outside display, and dispenser operation modes.
Freezing, OptiChill, and Fan Control
Covers advanced freezing, OptiChill, fan control, alarms, and frost removal.
Test Modes and Failure Diagnosis
Describes sequential operations, test modes, and the failure diagnosis function.
MICOM Circuit Explanation
Power Circuit Details
Details the power supply circuit, including SMPS and voltage distribution.
Oscillation and Reset Circuits
Explains the oscillation circuit for clock signals and the reset circuit.
Load Driving and Dispenser Circuits
Explains circuits for load driving, dispenser, and door opening detection.
Temperature Sensing Circuits
Details the circuits for sensing temperature in various compartments.
Stepping Motor and Fan Motor Circuits
Details circuits controlling stepping motors and driving fan motors.
Temperature Compensation Circuits
Details circuits and tables for temperature compensation in freezer and refrigerator.
Communication and Sensor Circuits
Explains communication link and sensor resistance characteristics.
PWB Diagrams and Parts Lists
Shows PWB diagrams, parts lists, and circuit diagrams for various assemblies.
Ice Maker and Dispenser Operation
Ice Maker Working Principles
Explains the fundamental working principles of the automatic ice maker.
Dispenser Working Principles
Details the operation of the ice and water dispenser.
Ice Maker Function Details
Covers ice maker initial control, water supply, and ice making control.
Ice Ejection Control
Explains how ice is ejected from the mould and the cycle of operation.
Ice Maker Test Function and Door Impact
Describes ice maker testing and how freezer door opening affects operation.
Ice Maker Troubleshooting Guide
Provides a flowchart for diagnosing and troubleshooting ice maker issues.
Circuit Diagrams
GR-L267BV(T)R Circuit
Presents the overall circuit diagram for the GR-L267BV(T)R model.
GR-L267BV(T)RA Circuit
Shows the circuit diagram for the GR-L267BV(T)RA model.
GR-L267BV(T,S)PA Circuit
Displays the circuit diagram for the GR-L267BV(T,S)PA model.
Troubleshooting Guide
Power and Compressor Faults
Diagnoses power issues like no start, blown fuses, and compressor faults.
Cooling and Temperature Issues
Addresses cooling problems, weak refrigeration, and temperature anomalies.
Defrosting and Icing Failures
Troubleshoots defrosting failures, icing in compartments, and related components.
Sound and Odor Issues
Diagnoses common sounds and odors within the refrigerator and their causes.
MICOM and Sensor Faults
Troubleshoots MICOM unit issues, sensor faults, and display problems.
Dispenser and Cooling System Faults
Diagnoses dispenser problems, cooling system issues, and temperature symptoms.
Heavy Repair Procedures
Cooling Cycle Heavy Repair Standards
Outlines heavy repair standards for systems using R134a refrigerant.
Summary of Heavy Repair Steps
Summarizes the steps and tools required for heavy repair procedures.
Practical Heavy Repair Work
Provides practical guidance for heavy repair tasks like welding and drier replacement.
Standard Regulations for Heavy Repair
Lists standard regulations and precautions for performing heavy repairs.
Claims Handling
Sound-Related Claims
Provides explanations and measures for various sounds like hiss, click, and clunk.
Temperature-Related Claims
Offers solutions for temperature-related symptoms like weak refrigeration and frozen vegetables.
Odor and Frost Claims
Addresses issues related to refrigerator odors and frost formation in compartments.
Miscellaneous Claims
Covers miscellaneous issues like hot casing, door liner holes, and electric bills.
Disassembly and Assembly
Door Disassembly and Assembly
Provides step-by-step instructions for disassembling and assembling refrigerator and freezer doors.
Handle Disassembly and Assembly
Details the procedure for disassembling and assembling refrigerator handles.
Fan Shroud and Icemaker Assembly
Explains how to remove fan shrouds and assemble the icemaker unit.
Dispenser Disassembly and Parts
Provides instructions for dispenser disassembly and lists related parts.
Exploded Views
Freezer Door Parts
Shows exploded views of freezer door parts for different models.
Refrigerator Door Parts
Displays exploded views of refrigerator door parts for different models.
Compartment and System Parts
Provides exploded views of freezer, refrigerator compartments, and ice/water systems.
Machine and Dispenser Parts
Shows exploded views of machine compartment and dispenser parts.
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