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Refrigerator
LFX23961ST /01
Service manual
LG LFX23961ST /01 Service Manual
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Safety Precautions
Specifications
Parts Identification
Disassembly
Replacing Refrigerator Door
Door Gasket Removal
Door Gasket Replacement
Door Alignment
Defrost Control Assembly
Multi Duct
Main Pwb
Water Button Assmebly
Duct Door Replacement
Display Pcb
Ice Button Assembly
Ice Corner Door Replacement
Funnel Replacement
Icemaker Assembly
Auger Motor Cover
Fan and Fan Motor Disassembly Method
Adjustment
To Remove the Cover Ptc
Circuit Diagram
Troubleshooting
Other Electrical Components
Service Diagnosis Chart
Refrigeration Cycle
Operation Principle and Repair Method of Icemaker
Ice Maker Functions
Description of Function & Circuit of Micom
Dispenser Light
Ice Plus
Test Mode
Pcb Function
Refrigeration Compartment Stepping Motor Damper Circuit
Main Pwb Assembly and Parts List
Exploded View
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Parts Identification
2
Troubleshooting
3
Service Diagnosis Chart
4
Test Mode
5
Pcb Function
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REFRIGERATOR
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
MODELS:
LFX23961SW /01
LFX23961ST /01
LFX23961SB /01
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Summarization of Contents
SAFETY PRECAUTIONS
1. SPECIFICATIONS
2. PARTS IDENTIFICATION
3. DISASSEMBLY PROCEDURES
3-1 REFRIGERATOR DOORS
Procedures for removing and replacing refrigerator doors.
3-2 REFRIGERATOR HANDLES
Procedures for removing refrigerator handles.
3-3 FREEZER HANDLE & DOOR GASKET REMOVAL
Procedures for removing freezer handles and door gaskets.
3-4 DOOR GASKET REPLACEMENT & ALIGNMENT
Steps for replacing the door gasket and adjusting door alignment.
3-5 FAN & MOTOR REPLACEMENT
How to remove and replace the evaporator fan and motor.
3-6 DEFROST CONTROL ASSEMBLY
How to replace the defrost control assembly.
3-7 LAMP & DUCT REPLACEMENT
Procedures for replacing lamps and the multi-duct.
3-8 MAIN & DISPLAY PCB REPLACEMENT
Instructions for replacing Main PCB and Display PCB.
3-9 ICEMAKER & DISPENSER COMPONENTS
Steps for replacing icemaker, ice button, funnel, water button, duct door, ice corner door.
3-10 AUGER MOTOR COVER REPLACEMENT
Procedures for removing and replacing the auger motor cover.
3-11 ICE BIN HANDLING
Steps for removing and inserting the door ice bin.
3-12 PULL OUT DRAWER INSTALLATION
Instructions for installing the pull-out drawer.
3-13 PULL OUT DRAWER REMOVAL
Instructions for removing the pull-out drawer.
3-14 FAN AND FAN MOTOR DISASSEMBLY METHOD
Method for disassembling fan and fan motor.
4. ADJUSTMENT AND COMPONENT ANALYSIS
4-1 COMPRESSOR & PTC-STARTER
Role, composition, usage notes, and circuit diagrams for compressor and PTC starter.
4-2 OLP (OVERLOAD PROTECTOR)
Definition and role of the Overload Protector (OLP).
4-3 PTC COVER REMOVAL
Steps for removing the PTC cover.
5. CIRCUIT DIAGRAM
6. TROUBLESHOOTING GUIDE
6-1 COMPRESSOR & ELECTRICAL COMPONENTS
Troubleshooting compressor and related electrical components.
6-2 OTHER ELECTRICAL COMPONENTS
Troubleshooting for other electrical components and general issues.
6-3 SERVICE DIAGNOSIS CHART
A chart for diagnosing common refrigerator complaints and remedies.
6-4 REFRIGERATION CYCLE ISSUES
Troubleshooting common refrigeration cycle problems like leaks and clogs.
7. ICEMAKER OPERATION & DIAGNOSIS
7-1 ICEMAKER OPERATION PRINCIPLES
Explains the basic operation and modes of the ice maker.
7-2 ICE MAKER FUNCTIONS & MODES
Details on Icemaking, Harvest, Fill/Park modes, and water supply.
7-3 ICEMAKER TEST & DEFECT DIAGNOSIS
Information on function testing and error codes for the ice maker.
8. MICOM FUNCTION & CIRCUITRY
8-1 USER INTERFACE & MODES
Display functions, temperature toggling, lock, filter status, Ice Plus, dispenser, and door alarms.
8-2 MOTOR & SENSOR CONTROL
Control of fan motors, icing fan, and their sensing methods.
8-3 DEFROSTING & DIAGNOSTICS
Procedures for defrosting and defect diagnosis functions.
8-4 TEST MODES
Procedures and tables for various product test modes.
8-5 PCB & CIRCUIT ANALYSIS
Analysis of power, load, fan, sensor, damper, and dispenser circuits.
8-6 PWB ASSEMBLY & PARTS
Identification and listing of parts for Main PWB and Dispenser Drive PWB.
9. EXPLODED VIEW OF COMPONENTS
9-1 CASE PARTS
Exploded view of the main cabinet and external case components.
9-2 FREEZER PARTS
Exploded view of freezer compartment components.
9-3 REFRIGERATOR PARTS
Exploded view of refrigerator compartment components.
9-4 DOOR PARTS
Exploded view of refrigerator door components.
9-5 DISPENSER PARTS
Exploded view of dispenser assembly components.
9-6 ICE MAKER & ICE BANK PARTS
Exploded view of ice maker and ice bank components.
9-7 VALVE & Water Parts
Exploded view of water valve and related plumbing components.
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