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Refrigerator
SxS GR-C207
Service manual
LG SxS GR-C207 Service Manual
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Also See for SxS GR-C207
:
Service manual
(126 pages)
,
Service manual
(113 pages)
,
Service manual
(125 pages)
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Table Of Contents
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Warnings and Precautions for Safety
Specifications
Parts Identification
How to Install the Refrigerator
How to Adjust Door Height of the Refrigerator
How to Install Water Pipe
When Connecting Directly to the Water Tap
Connection of Pipe Connector a and B
When Customer Uses Bottled Water
Outternal Filter
Filter Fixation
Filter Cleaning
Install Water Filter
Before Installing Water Filter
After Installing Water Filter
How to Control the Amount of Water Supplied to the Icemaker
Water Supplying Time Control Option
Micom Function
Monitor Panel
Display Second Function
Buzzer Sound Mute Mode
Display Power Saving Mode
Exhibition Mode
Description of Function
Function of Temperature Selection
Automatic Ice Maker
When Ice Maker Does Not Operate Smoothly
Express Freezing
Ice Is Lumped Together
Control of Variable Type of Freezing Room Fan
Control of M/C Room Fan Motor
Door Opening Alarm
Ringing of Compulsory Operation, Compulsory Frost Removal Buzzer
Frost Removal Function
Sequential Operation of Built-In Product
Function of Trouble Diagnosis(88-LED)
Function of Trouble Diagnosis(Bar-LED, Dot-LED)
Test Function
Functions of Ice Dispenser and Water Dispenser
Explation for Micom Circuit
Explanation for PWB Circuit
Power Circuit
Oscillation Circuit
Reset Circuit
Load/Dispenser Operation, Buzzer Driving, Door Opening Circuit
Load Driving Circuit
Gr-B207, Gr-C207
Dispenser Operation Circuit
Check Load Driving Status
Lever S/W Sensing Circuit
Door Opening Sensing Circuit
Temperature Sensing Circuit
Switch Entry Circuit
Option Designation Circuit (Model Separation Function)
Stepping Motor Operation Circuit
Fan Motor Driving Circuit (Freezing Room, M/C Room)
Temperature Compensation and Over-Cool/Weak-Cool Compensation Circuit
Display Circuit
Key Button Input and Display Lighting Circuit(Bar-LED, Dot-LED)
Compensation Circuit for Weak-Cold, Over-Cold at Freezing Room
PWB Parts Drawings and List
PWB Assembly Main Parts Drawings
Parts List
PWB Circuit Diagram
Working Principles
Ice Maker and Dispenser Working Principles and Repair
Function of Ice Maker
Initial Control Function
Water Supply Control Function
Ice Making Control Function
Ice Ejection Control Function
Timing Chart During Ice Ejection
Other Functions Relating to Freezer Compartment Door Opening
Ice Maker Troubleshooting
Ice Maker Circuits
Circuit
Trouble Diagnosis
Trouble Shooting
Faulty Start
No Cooling
Refrigeration Is Weak
Faults
Cooling Cycle Heavy Repair
Summary of Heavy Repair
Precautions During Heavy Repair
Practical Work for Heavy Repair
Standard Regulations for Heavy Repair
Brazing Reference Drawings
Asia / Middle-East Africa
Europe & CIS / America
How to Deal with Claims
Sound
Measures for Symptoms on Temperature
Odor and Frost
Others
How to Disassemble and Assemble
Door
Handle
Shroud, Grille Fan
Icemaker Assembly
Dispenser
Home Bar
Dispenser Related Parts
Home Bar Related Parts
Home Bar Parts Disassembly and Assembly
Exploded View
Freezer Door Part: Gr-P207, Gr-L207
Refrigerator Door Part
Freezer Compartment
Refrigerator Compartment
Ice & Water Part
Machine Compartment
Dispenser Part
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Quick Links
1
Specifications
2
Parts Identification
3
How to Install Water Pipe
4
Ice Maker and Dispenser Working Principles and Repair
5
Exploded View
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See also:
User Manual
REFRIGERATOR
SERVICE MANUAL
CAUTION
PLEASE READ CAREFULLY THE SAFETY PRECAUTIONS OF THIS BOOK
BEFORE CHECKING OR OPERATING THE REFRIGERATOR.
Ref No :
GR-P207
Ref No :
GR-L207
http://biz.lgservice.com
Ref No :
Ref No :
GR-C207
GR-B207
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Table of Contents
Troubleshooting
Ice Maker Troubleshooting
90
Trouble diagnosis
95
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Summarization of Contents
WARNINGS AND PRECAUTIONS FOR SAFETY
REFRIGERATOR SPECIFICATIONS
GR-P207 Specifications
Model-specific technical details and dimensions.
GR-L207 Specifications
Model-specific technical details and dimensions.
GR-C207 Specifications
Model-specific technical details and dimensions.
GR-B207 Specifications
Model-specific technical details and dimensions.
PARTS IDENTIFICATION
GR-P207 Parts Identification
Visual identification of internal and external parts for GR-P207.
GR-P207 External Filter Parts
Visual identification of external filter parts for GR-P207.
GR-L207 Parts Identification
Visual identification of internal and external parts for GR-L207.
GR-L207 External Filter Parts
Visual identification of external filter parts for GR-L207.
GR-C207 Parts Identification
Visual identification of internal and external parts for GR-C207.
GR-B207 Parts Identification
Visual identification of internal and external parts for GR-B207.
HOW TO INSTALL REFRIGERATOR
Adjust Door Height
Procedure for leveling and adjusting refrigerator door height.
Install Water Pipe System
Guidelines and components for connecting the water supply line.
Use Bottled Water System
Instructions for connecting a refrigerator using a bottled water system.
Install Water Filter
Steps for installing and replacing the water filter.
Control Icemaker Water Supply
Method for adjusting the water volume supplied to the icemaker.
MICOM FUNCTION OVERVIEW
Monitor Panel and Display Operation
Description of the control panel display and button functions.
Ice Maker and Freezer Features
Details on automatic ice making, express freezing, and ice maker issues.
Fan Control, Alarms, and Buzzer
Explanation of fan speed control, door alarms, and buzzer sounds.
Frost Removal and System Operation
Information on the frost removal cycle and product test modes.
Troubleshooting and Diagnostic Tests
Procedures for diagnosing product failures and error codes.
Ice and Water Dispenser Functions
Operation and selection modes for the ice and water dispenser.
MICOM CIRCUIT EXPLANATION
Power Circuit Diagram
Explanation of the power supply unit circuit.
Oscillation and Reset Circuits
Details on the clock generation and system reset circuits.
Load Driving and Motor Control Circuits
Circuit diagrams for component operation like fans and heaters.
Dispenser and Door Sensing Circuits
Circuitry for dispenser operation and door status detection.
Temperature Sensing Circuit
Explanation of temperature sensor circuits and their operation.
Switch Entry and Option Designation
Circuits for test switches, option settings, and model separation.
Stepping Motor Operation Circuit
Diagram explaining the stepping motor control signals and operation.
Fan Motor Driving Circuit
Circuit details for controlling freezer and M/C room fan motors.
Temperature Compensation Circuit
Circuits for adjusting temperature based on sensor readings.
Display and Key Input Circuits
Diagrams for the control panel display and button input logic.
Weak-Cold/Over-Cold Compensation Circuit
Compensation circuits for temperature control issues.
PWB PARTS DRAWINGS AND LIST
PWB Assembly Main Parts Drawings
Schematic layout of components on the main Printed Wiring Board.
PWB Parts List
Detailed list of components used on the Printed Wiring Board.
PWB CIRCUIT DIAGRAMS
GR-P/L207 88-LED PWB Diagram
Circuit diagram for the 88-LED display model.
GR-P/L207 Bar-LED PWB Diagram
Circuit diagram for the Bar-LED display model.
GR-P/L207 Dot-LED PWB Diagram
Circuit diagram for the Dot-LED display model.
GR-B/C207 88-LED PWB Diagram
Circuit diagram for the GR-B/C207 88-LED display model.
GR-B/C207 Bar, Dot-LED PWB Diagram
Circuit diagram for the GR-B/C207 Bar/Dot-LED display model.
ICE MAKER AND DISPENSER OPERATION
Ice Maker & Dispenser Principles
Explains how ice makers and dispensers function.
Ice Maker Functions and Control
Details on ice maker operation, water supply, and ejection.
Ice Maker Troubleshooting Guide
Steps to diagnose and fix common ice maker problems.
Ice Maker Circuit Diagrams
Schematics illustrating the ice maker's electrical connections.
TROUBLE DIAGNOSIS AND REPAIR
Power and Compressor Faults
Diagnosing issues related to power supply and compressor operation.
Cooling Performance Issues
Troubleshooting no cooling, weak cooling, and air circulation problems.
Icing and Frost Formation
Identifying causes and solutions for condensation and frost.
Sound and Vibration Issues
Diagnosing and resolving unusual noises from the refrigerator.
Micom System Faults and Display Errors
Troubleshooting issues with the control board and user interface.
Heavy Repair Procedures
Standards and precautions for major refrigeration system repairs.
HOW TO DISASSEMBLE AND ASSEMBLE
Door Disassembly and Assembly
Steps for removing and reinstalling refrigerator doors.
Handle Disassembly and Assembly
Procedures for removing and attaching door handles.
Shroud, Grille Fan Disassembly
Steps for removing the fan shroud and grille.
Icemaker Assembly
Instructions for assembling the ice maker unit.
Dispenser Disassembly and Assembly
Procedures for removing and reinstalling dispenser components.
Home Bar Disassembly and Assembly
Steps for removing and reinstalling the home bar compartment.
EXPLODED VIEWS
Freezer Door Parts Exploded View
Exploded view of components for the freezer door.
Refrigerator Door Parts Exploded View
Exploded view of components for the refrigerator door.
Freezer Compartment Parts Exploded View
Exploded view of parts within the freezer compartment.
Refrigerator Compartment Parts Exploded View
Exploded view of parts within the refrigerator compartment.
Ice & Water System Parts Exploded View
Exploded view of the ice and water dispensing system.
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