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LG LRSXC2706 Series User Manual

LG LRSXC2706 Series
101 pages
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CAUTION
PLEASE READ CAREFULLY THE SAFETY PRECAUTIONS OF THIS
BOOK BEFORE CHECKING OR OPERATING THE REFRIGERATOR .
REFRIGERATOR
SERVICE MANUAL
Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
Any reproduction, duplication, distribution (including by way of email, facsimile or other electronic means), publication,
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.
MODEL :
LRSXC2706*, LRSXC2306*
GS75S**, GS77** VS27L**, GS66S**
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LG LRSXC2706 Series Specifications

General IconGeneral
Ice MakerYes
Water DispenserYes
Weight330 lbs
Energy Star CertifiedYes
Counter DepthNo
Refrigerator Capacity17.5 cu. ft.
Door FinishStainless Steel
Depth34.5 inches

Summary

Warnings and Precautions for Safety

Servicing Precautions

Compressor Trip Summary

Trouble Shooting

Compressor Operation Defect

Troubleshooting procedure for compressor and fan operation issues.

Trip and LED Blinking Information

FCT0 Trip and LED 1 Blink

Troubleshooting for FCT0 trip indicated by LED blinking once.

Over Voltage Trip and LED 2 Blink

Troubleshooting for over voltage trip indicated by LED blinking twice.

Miss Cable Trip and LED 3 Blink

Troubleshooting for miss cable trip indicated by LED blinking thrice.

Locked Rotor Trip and LED 5 Blink

Troubleshooting for locked rotor trip indicated by LED blinking five times.

Over Current Trip and LED 6 Blink

Troubleshooting for over current trip indicated by LED blinking six times.

IPM Fault Trip and LED 7 Blink

Troubleshooting for IPM fault trip indicated by LED blinking seven times.

Communication Error Trip and LED 8 Blink

Troubleshooting for communication error indicated by LED blinking eight times.

Overload Trip and LED 9 Blink

Troubleshooting for overload trip indicated by LED blinking nine times.

Compressor and Harness Check

Heavy Repair Method with Refrigerant

Checkpoints Before Heavy Repair

Pre-work checks before performing heavy repair.

R600a Refrigerant Features

Properties and safety information for R600a refrigerant.

R600a Refrigerator Features

Characteristics of refrigerators using R600a refrigerant.

Heavy Repair Location and Environment

Requirements for the working area during heavy repair.

Heavy Repair Work Tools

Essential tools for performing heavy repair procedures.

Heavy Repair SVC Method

Service procedures for heavy repair of R600a refrigerators.

Refrigerant Return Procedure

Steps for safely returning refrigerant from the refrigerator.

Remaining Refrigerant Return

Procedure to recover any remaining refrigerant.

Welding Repair Steps

Guidelines for welding operations during repair.

Charging Tube Connection

Connecting the charging tube for refrigerant work.

Vacuum Air Removal

Process for removing air from the system.

Refrigerant Charging

Procedure for charging refrigerant into the system.

Leak Inspection and Cycle Check

Verifying system integrity and cooling cycle operation.

Failure Checking Procedures

Steps to diagnose and check for system failures.

Specifications

Circuit Diagram

PCB Pictures

Main PCB Identification

Identification of components on the main printed circuit board.

Display PCB Identification

Identification of components on the display printed circuit board.

Sub PCB Identification

Identification of components on the sub printed circuit board.

Instaview Sensor PCB Identification

Identification of the Instaview sensor printed circuit board.

Optional Display PCB Identification

Identification of the optional display printed circuit board.

Wi-Fi PCB Identification

Identification of the Wi-Fi printed circuit board.

Troubleshooting

Error Code Summary

Summary of error codes and their meanings for troubleshooting.

Troubleshooting with Error Display

Freezer Sensor Error (E FS)

Troubleshooting steps for the freezer sensor error.

Troubleshooting

Refrigerator Sensor Error (E rS)

Troubleshooting steps for the refrigerator sensor error.

Troubleshooting

Room Temperature Sensor Error (E rt)

Troubleshooting steps for the room temperature sensor error.

Troubleshooting

Icing Sensor Error (E IS)

Troubleshooting steps for the icing sensor error.

Troubleshooting

Defrost Sensor Error (F dS)

Troubleshooting steps for the defrost sensor error.

Troubleshooting

Defrost Heater Error (F dH)

Troubleshooting steps for the defrost heater error.

Troubleshooting

Freezer Fan Error (E FF)

Troubleshooting steps for the freezer fan error.

Troubleshooting

Condenser Fan Error (E CF)

Troubleshooting steps for the condenser fan error.

Troubleshooting

Ice Maker Motor Error (E It)

Troubleshooting steps for the ice maker motor error.

Troubleshooting

Water Detect Hall Switch Error

Troubleshooting for water detect hall switch errors.

Troubleshooting without Error Display

Cube/Crush Mode Operation

Troubleshooting for cube/crush mode not working.

Troubleshooting

Water Mode Operation (Plumbing)

Troubleshooting for water mode in plumbing models.

Troubleshooting

Water Mode Operation (Non-Plumbing)

Troubleshooting for water mode in non-plumbing models.

Troubleshooting

Refrigerator Room LED Malfunction

Troubleshooting for refrigerator room LED not working.

Troubleshooting

Freezer Room LED Malfunction

Troubleshooting for freezer room LED not working.

Troubleshooting

Fresh Food Section Cooling Issues

Diagnosing poor or over cooling in the fresh food section.

Troubleshooting

Freezer Compartment Cooling Issues

Diagnosing poor cooling in the freezer compartment.

Troubleshooting

Compressor Operation Error

Steps to troubleshoot compressor operation errors.

Troubleshooting

Test Mode and Terminal Position Assurance

Procedures for entering test mode and removing TPA.

Troubleshooting

Display PCB Information

Details on the refrigerator's display PCB.

Troubleshooting (for Wi-Fi models)

Communication Error (Wi-Fi Models)

Troubleshooting communication errors on Wi-Fi models.

Troubleshooting (for non Wi-Fi models)

Communication Error (Non-Wi-Fi Models)

Troubleshooting communication errors on non-Wi-Fi models.

Troubleshooting

Freezer and Icing Sensor Temperature Chart

Temperature and resistance data for freezer and icing sensors.

Troubleshooting

Refrigerator and Defrost Sensor Temperature Chart

Temperature and resistance data for ref and defrost sensors.

Troubleshooting

Ambient Sensor Temperature Chart

Temperature and resistance data for the ambient sensor.

How to Install Refrigerator

Adjust Refrigerator Door Height

Instructions for adjusting the height of refrigerator doors.

Refrigerator Door Removal

Steps for safely removing refrigerator doors.

Adjust Door Level Difference

Steps to adjust the level difference of refrigerator doors.

Adjust Door Level Difference (Front and Rear)

Adjusting the front and rear door level differences.

Component Servicing

How to Change Reed Switch

Procedure for replacing the reed switch.

How to Disassemble DID Button

Steps for disassembling the DID button.

Cover Assembly and PCB Service

Removing and reinstalling the cover assembly and PCB.

Case Assembly and Lamp Service

Removing and reinstalling the case assembly and lamp.

How to Service Cap Duct Assembly

Procedure for servicing the cap duct assembly.

How to Service Display Assembly

Procedure for servicing the display assembly.

How to Disassemble DID

Steps for disassembling the DID.

Water Tank Case Service (Plumbing)

Disassembling the water tank case for plumbing models.

Craft Module Disassembly

Steps for disassembling the craft module.

How to Service Door Display

How to Service Funnel Assembly

Exploded View

Freezer Door Parts Diagram

Exploded view of freezer door components.

Refrigerator Door Parts Diagram

Exploded view of refrigerator door components.

Freezer Compartment Parts Diagram

Exploded view of freezer compartment components.

Refrigerator Compartment Parts Diagram

Exploded view of refrigerator compartment components.

Machine Compartment Parts Diagram

Exploded view of machine compartment components.

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