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LG LRTLS2403S / 00 User Manual

LG LRTLS2403S / 00
55 pages
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MODELS:
REFRIGERATOR
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
Any reproduction, duplication, distribution (including by way of email, facsimile or other electronic
means), publication, modification, copying or transmission of this Service Manual is STRICTLY
PROHIBITED unless you have obtained the prior written consent of the LG Electronics entity from
which you received this Service Manual. The material covered by this prohibition includes, without
limitation, any text, graphics or logos in this Service Manual.
Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
CONFIDENTIAL
LRTLS2403S / 00
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LG LRTLS2403S / 00 Specifications

General IconGeneral
Capacity (Total)24 cu. ft.
Ice MakerYes
Water DispenserYes
Energy Star CertifiedYes
Refrigerator TypeTop Freezer
Smart FeaturesNo
TypeTop Freezer Refrigerator
ColorStainless Steel
Defrost TypeAutomatic

Summary

SAFETY PRECAUTIONS

General Safety Guidelines

Provides essential safety guidelines for servicing refrigerators.

SPECIFICATIONS

General Features

Details general features like color, dimensions, weight, capacity, and climate class.

Refrigerator Compartment Specifications

Lists specifications for the refrigerator section, including shelves, bins, and lighting.

Freezer Compartment Specifications

Details specifications for the freezer section, including shelves, bins, and lighting.

PARTS IDENTIFICATION

Freezer Section Components

Identifies key components within the freezer compartment via labels and descriptions.

Refrigerator Section Components

Identifies key components within the refrigerator compartment via labels and descriptions.

DISASSEMBLY

Removing the Freezer Door

Step-by-step instructions for safely removing the freezer door.

Removing the Refrigerator Door

Step-by-step instructions for safely removing the refrigerator door.

Replacing Doors

Procedures for reinstalling refrigerator and freezer doors correctly.

Reversing Doors

Instructions for reversing the swing direction of the refrigerator doors.

Reversing the Refrigerator Door

Detailed steps to reverse the refrigerator door's swing direction.

Reversing the Freezer Door

Detailed steps to reverse the freezer door's swing direction.

Reattaching Doors

Guidance on putting the refrigerator and freezer doors back on.

Door Alignment and Leveling

Steps to ensure proper alignment and leveling of the refrigerator doors.

Closing and Aligning Doors

Instructions for leveling the unit and aligning doors for proper closing.

FAN AND FAN MOTOR

Fan Motor Removal and Disassembly

Procedure for removing and disassembling the fan motor assembly.

TROUBLESHOOTING COMPRESSOR

Compressor Activation Defects

Diagnosing and resolving issues with compressor activation.

Compressor LED Trip Diagnosis

Procedure for checking LED trips and diagnosing compressor issues.

Compressor Troubleshooting Flowchart

A flowchart guiding the diagnosis of compressor problems based on LED indications.

BLDC Inverter LED Blinking Troubleshooting

BLDC Inverter Troubleshooting Flowchart

Flowchart for diagnosing BLDC inverter issues using LED blinking patterns.

TROUBLESHOOTING

Compressor and Electric Components Troubleshooting

Troubleshooting steps for compressor and related electric components.

PTC and OLP Troubleshooting

Diagnostic procedures for PTC and OLP components.

Other Electric Components Troubleshooting

Troubleshooting for various other electric components affecting performance.

Service Diagnosis Chart

A chart for diagnosing common refrigerator complaints and their solutions.

Refrigerating Cycle Troubleshooting

Chart for troubleshooting issues related to the refrigerating cycle.

CIRCUIT OF MICOM

MICOM Function Overview

Overview of the MICOM's basic functions and operation.

Defrost Cycle Operation

Explanation of the defrost cycle operation and timing.

Electrical Parts Sequential Operation

Order of operation for electrical parts to prevent damage.

Freezer Fan Control

How the freezer compartment fan is controlled.

Open Door Alarm Function

Details on the door open alarm buzzer function.

Defrosting Operation

Conditions and process for the defrosting cycle.

Electric Components Sequential Operation

Sequence of electrical component activation during power-on or testing.

Error Diagnostic Mode

How to enter and use the error diagnostic mode for fault finding.

Refrigerator Temperature Panel Error Codes

Table of error codes displayed on the temperature panel and their meanings.

Test Mode Operation

Instructions for activating and using the product test modes.

PCB PICTURE

Main PCB Identification

Visual identification and connector layout of the main control board.

Display PCB and LED Lighting

Images of display PCBs and LED lighting modules.

Main PCB Details and Connections

Detailed view and component connections of the main PCB.

Main PCB and Power Cord Assembly

Images and part numbers for the main PCB and power cord assembly.

Display PCB and LED Module Details

Images and part numbers for display PCBs and LED modules.

TROUBLESHOOTING

RT Sensor Error Diagnosis

Procedure for diagnosing and resolving RT sensor errors.

Refrigerator Sensor Error Diagnosis

Procedure for diagnosing and resolving refrigerator sensor errors.

Defrost Sensor Error Diagnosis

Procedure for diagnosing and resolving defrost sensor errors.

Defrost Error Diagnosis

Procedure for diagnosing and resolving general defrost errors.

Refrigerator Room LED Module Malfunction

Troubleshooting steps for the refrigerator room LED module.

Refrigerator Room LED Module Troubleshooting (Cont.)

Further steps for diagnosing refrigerator room LED module issues.

Poor Cooling in Refrigerator Room

Troubleshooting steps for poor cooling in the refrigerator compartment.

Over Cooling in Refrigerator Room

Troubleshooting steps for over cooling in the refrigerator compartment.

Freezer BLDC FAN Motor Error

Troubleshooting steps for Freezer BLDC FAN motor errors.

Cooling BLDC FAN Motor Error

Troubleshooting steps for Cooling BLDC FAN motor errors.

Water Dispenser Not Working

Troubleshooting steps for a non-working water dispenser.

Water Dispenser Troubleshooting (Cont.)

Further steps for diagnosing water dispenser issues, including valve resistance.

REFERENCE

Temperature Compensation Adjustment

How to adjust basic temperature compensation via PCB jump wires.

Test Mode and TPA Removal

Procedures for entering test modes and removing TPA connectors.

CASE ARTS

FREEZER PARTS

REFRIGERATOR PARTS

DOOR PARTS

ICE MAKER PARTS

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