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LG LTCS24223B /04 User Manual

LG LTCS24223B /04
61 pages
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MODELS:
LTCS24223B /04
LTCS24223S /04
LTCS24223W /04
REFRIGERATOR
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

Table of Contents

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LG LTCS24223B /04 Specifications

General IconGeneral
Typefreestanding
Styletop freezer
Colorblack, smooth black
Total Capacity23.8 cubic feet
Refrigerator Capacity6.2 cubic feet
Freezer Capacity6.20 cubic feet
Humidity Controlled Crispersyes
Defrost Systemautomatic
Quick Freezeno
Number of Refrigerator Door Binsyes
Temperature Controldigital
Interior Lightled
Ice Makeryes
Water Filterno
Air Filterno
Door Alarmyes
Smart Homeno
Annual Energy Consumption501 kilowatt hours
Voltage120 volts
Current20 amperes
Weight and Dimensions IconWeight and Dimensions
Depth33.375 inches
Height68.5 inches
Width32.75 inches
Net Weight224 pounds

Summary

SAFETY PRECAUTIONS

1. SPECIFICATIONS

2. PARTS IDENTIFICATION

3. DISASSEMBLY

Refrigerator Door Removal Procedures

Step-by-step guide for safely removing refrigerator and freezer doors.

Reversing Refrigerator Door Swing

Instructions for changing the direction of door opening for convenience.

Reattaching Refrigerator Doors

Guide on correctly re-installing refrigerator and freezer doors.

Door Alignment and Unit Leveling

Adjusting doors for proper closure and leveling the refrigerator unit.

4. TROUBLESHOOTING COMPRESSOR

Compressor Activation Defect Troubleshooting

Diagnosing issues when the compressor fails to start or activate.

LED Trip Diagnosis and Interpretation

Understanding LED blinking codes for compressor-related faults.

LED Blinking Error Code Actions

Specific service actions based on the number of LED blinks.

Compressor and Harness Resistance Checks

Measuring winding resistance and checking harness connections.

Other Electric Components Troubleshooting

Diagnosing issues with starting devices, OLP, coils, and wiring.

Compressor Service Diagnosis Chart

A chart for diagnosing compressor issues based on symptoms.

5. COMPRESSOR

Inverter BLDC Compressor Defect Identification

Procedures for identifying faults in the Inverter BLDC compressor.

Measuring Compressor Winding Resistance

Standard procedure for testing compressor winding resistance.

General Control of Refrigerating Cycle

Overview of components and specifications for refrigerating cycle control.

6. CIRCUIT DIAGRAM

7. TROUBLESHOOTING

Compressor and Electric Component Troubleshooting

Flowchart for diagnosing compressor and related electrical issues.

PTC and OLP Troubleshooting Steps

Procedures for testing and diagnosing PTC starters and OLP.

Other Electric Components Troubleshooting

Diagnosing issues with various electric components like fans and heaters.

General Refrigeration Service Diagnosis Chart

A chart mapping complaints to possible causes and solutions.

Refrigerating Cycle Troubleshooting Chart

Diagnosing issues related to refrigerant leaks, restrictions, and compression.

8. ICE MAKER

Ice Maker Operation Principle and Repair

Explanation of how the ice maker works and basic repair methods.

Detailed Icemaker Functions

Description of icemaker modes like Start, Icemaking, and Harvest.

Ice Maker Defect Diagnosis Function

Identifying and diagnosing malfunctions in the ice maker.

9. CIRCUIT OF MICOM

MICOM Function and Defrost Cycle

Overview of refrigerator control functions and defrosting cycle.

Sequential Electrical Parts Operation

Order of operation for electrical parts during power-on or test completion.

Freezer Compartment Controls and Alarms

Management of freezer fan, door alarms, and buzzer sounds.

Sequential Electric Component Operation

Sequence of electrical component activation during tests.

Refrigerator Error Diagnostic Mode

How to enter and interpret error codes for product faults.

Water Dispenser Lock and Filter Functions

Operation of the water dispenser lock and filter indicator.

Test and Demonstration Modes

Procedures for activating and using test and demonstration modes.

10. PCB Picture

Main PCB Identification and Connectors

Details of the main PCB, its part number, and connectors.

Display PCB and LED Lighting Modules

Identification of display PCBs and LED lighting components.

11. Troubleshooting

RT Sensor Error Troubleshooting

Steps to diagnose and resolve RT sensor errors.

Refrigerator Sensor Error Troubleshooting

Steps to diagnose and resolve refrigerator sensor errors.

Defrost Sensor Error Troubleshooting

Steps to diagnose and resolve defrost sensor errors.

Defrost Error Troubleshooting

Steps to diagnose and resolve general defrosting errors.

Water Dispenser Not Working Diagnosis

Troubleshooting steps for a non-functional water dispenser.

Freezer Room LED Module Failure Diagnosis

Steps to diagnose issues with the freezer room LED module.

Refrigerator Room LED Module Failure Diagnosis

Steps to diagnose issues with the refrigerator room LED module.

Poor Cooling in Refrigerator Room Diagnosis

Troubleshooting steps for inadequate cooling in the refrigerator.

Over Cooling in Refrigerator Room Diagnosis

Troubleshooting steps for excessive cooling in the refrigerator.

Freezer BLDC FAN Motor Error Diagnosis

Diagnosing errors related to the freezer BLDC fan motor.

Cooling BLDC FAN Motor Error Diagnosis

Diagnosing errors related to the cooling BLDC fan motor.

3. Reference

Temperature Compensation Adjustment

How to adjust refrigerator temperature compensation via PCB jumpers.

Test Mode and TPA Removal Procedures

Instructions for entering test modes and removing Terminal Position Assurance.

10. EXPLODED VIEW

Exploded View: Case Parts

Diagram showing the assembly of external case parts.

Exploded View: Freezer Parts

Diagram showing the assembly of freezer compartment parts.

Exploded View: Refrigerator Parts

Diagram showing the assembly of refrigerator compartment parts.

Exploded View: Door Parts

Diagram showing the assembly of refrigerator and freezer door parts.

Exploded View: Ice Maker Parts

Diagram showing the assembly of ice maker components.

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