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Table of Contents
- 1 Table of Contents
- 2 Warnings and Precautions for Safety
- 3 Servicing Precautions
- 4 Comp Trip Summary
- 5 Trouble Shooting
- 6 Heavy Repair Method of Refrigerator by Application of Refrigerant
- 7 Specification
- 8 Circuit Diagram
- 9 Pcb Picture
- 10 Trouble Shooting
- 11 Troubleshooting Without Error Display
- 12 How to Install Refrigerator
- 13 How to Service Door Display
- 14 How to Service Funnel Assembly
- 15 Exploded View
- Download this manual
SERVICE MANUAL
CAUTION
PLEASE READ CAREFULLY THE SAFETY PRECAUTIONS OF THIS
BOOK BEFORE CHECKING OR OPERATING THE REFRIGERATOR .
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.
Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
REFRIGERATOR
MODEL :
LRSXC2706*, LRSXC2306*
GS75S**, GS77** VS27L**, GS66S**
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Table of Contents
Troubleshooting
Related Manuals for LG GS66S Series
Summarization of Contents
Trouble Shooting
Comp Operation Defect
Troubleshooting compressor and fan operation issues.
Heavy Repair Method of Refrigerator by Application of Refrigerant
Checkpoints Before Heavy Repair
Important checks before starting heavy repair work.
Features of R600a Refrigerant
Properties and safety information for R600a refrigerant.
Features of R600a Refrigerator
Characteristics of refrigerators using R600a.
Location and Environment for Heavy Repair
Requirements for the working environment during heavy repair.
Heavy Repair Work Tools
List of specialized tools required for heavy repair.
Heavy Repair SVC Method
Return of Refrigerator Refrigerant
Procedure for safely recovering refrigerant from the refrigerator.
Return of Remained Refrigerant
Steps to recover any remaining refrigerant from the system.
Welding Repair Step
Procedures for performing welding during repair.
Charging Tube Connection Step
How to connect the charging tube for refrigerant.
Vacuum Air Removal
Procedure for removing air from the system using a vacuum pump.
Refrigerant Charging
Steps for charging the correct amount of refrigerant.
Leak Inspection and Cycle Check
How to check for leaks and verify the cooling cycle.
PCB Picture
Main PCB
Identification and layout of the main printed circuit board.
Display PCB
Identification and layout of the display printed circuit board.
Sub PCB
Identification and layout of the sub printed circuit board.
Instaview Sensor PCB
Information regarding the Instaview sensor PCB.
Display PCB (Optional)
Details for an optional display PCB.
Wi-Fi PCB
Information regarding the Wi-Fi PCB.
Trouble Shooting
Error Code Summary
Summary of error codes and their meanings for troubleshooting.
Troubleshooting
Sensor Position Map
Visual representation of sensor locations within the refrigerator.
Troubleshooting with Error Display
Freezer Sensor Error (E FS)
Troubleshooting steps for freezer sensor errors.
Troubleshooting
Refrigerator Sensor Error (E rS)
Troubleshooting steps for refrigerator sensor errors.
Troubleshooting
Room Temperature Sensor Error (E rt)
Troubleshooting steps for room temperature sensor errors.
Troubleshooting
Icing Sensor Error (E IS)
Troubleshooting steps for icing sensor errors.
Troubleshooting
Defrost Sensor Error (F dS)
Troubleshooting steps for defrost sensor errors.
Troubleshooting
Defrost Heater Error (F dH)
Troubleshooting steps for defrost heater errors.
Troubleshooting
Freezer Fan Error (E FF)
Troubleshooting steps for freezer fan errors.
Troubleshooting
Condenser Fan Error (E CF)
Troubleshooting steps for condenser fan errors.
Troubleshooting
Ice Maker Motor Error (E It)
Troubleshooting steps for ice maker motor errors.
Troubleshooting
Water Detect Hall Switch Error (Non-plumbing)
Troubleshooting for water detect hall switch in non-plumbing models.
Troubleshooting without Error Display
Cube/Crush Mode Not Working
Troubleshooting for when the cube/crush mode fails to operate.
Troubleshooting
Water Mode Not Working (Plumbing)
Troubleshooting for water mode issues in plumbing models.
Troubleshooting
Water Mode Not Working (Non-Plumbing)
Troubleshooting for water mode issues in non-plumbing models.
Troubleshooting
Refrigerator Room LED Not Working
Troubleshooting steps for a non-functional refrigerator room LED.
Troubleshooting
Freezer Room LED Not Working
Troubleshooting steps for a non-functional freezer room LED.
Troubleshooting
Poor/Over Cooling in Fresh Food Section
Diagnosing and resolving cooling issues in the fresh food compartment.
Troubleshooting
Poor Cooling in Freezer Compartment
Diagnosing and resolving cooling issues in the freezer compartment.
Troubleshooting
Compressor Operation Error
Troubleshooting steps for compressor operation errors.
Troubleshooting
Test Mode and TPA Removal
Procedures for entering test mode and removing TPA.
Troubleshooting
Display PCB Information
Details related to the display PCB functionality.
Only for Wi-Fi models
Communication Error (CO E) - Wi-Fi Models
Troubleshooting for communication errors in Wi-Fi models.
Only for non Wi-Fi models
Communication Error (CO E) - Non Wi-Fi Models
Troubleshooting for communication errors in non-Wi-Fi models.
Troubleshooting
Temperature Chart: Freezer & Icing Sensor
Resistance and voltage data for freezer and icing sensors.
Troubleshooting
Temperature Chart: Refrigerator & Defrost Sensor
Resistance and voltage data for refrigerator and defrost sensors.
Troubleshooting
Temperature Chart: Ambient Sensor
Resistance and voltage data for the ambient sensor.
How to Install Refrigerator
Adjusting Door Height
Guide on how to adjust the refrigerator door height for proper alignment.
How to Install Refrigerator
Door Removal Procedure
Instructions for safely removing refrigerator doors.
Removing the Freezer Door
Step-by-step guide for removing the freezer door.
Removing the Fridge Door
Step-by-step guide for removing the fridge door.
How to Install Refrigerator
Refitting Fridge and Freezer Doors
Instructions for reassembling refrigerator doors after removal.
How to Install Refrigerator
Adjusting Door Level Difference
How to correct uneven door levels.
Refrigerator Door Bottom Unleveled
Steps to fix an unleveled refrigerator door bottom.
Freezer Door Bottom Unleveled
Steps to fix an unleveled freezer door bottom.
How to Install Refrigerator
Adjusting Door Level Difference (Front/Rear)
How to adjust front and rear door level differences.
Exploded View
Exploded View: Freezer Door Part
Diagram showing the exploded view of the freezer door components.
Exploded View
Exploded View: Refrigerator Door
Diagram showing the exploded view of the refrigerator door components.
Exploded View
Exploded View: Freezer Compartment
Diagram showing the exploded view of the freezer compartment components.
Exploded View
Exploded View: Refrigerator Compartment
Diagram showing the exploded view of the refrigerator compartment components.
Exploded View
Exploded View: Machine Compartment
Diagram showing the exploded view of the machine compartment components.
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