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GR-GR-L257BTBA
LG GR-GR-L257BTBA User Manual
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CAUTION
PLEASE READ CAREFULLY THE SAFETY PRECAUTIONS OF THIS BOOK
BEFORE CHECKING OR OPERATING THE REFRIGERATOR.
REFRIGERATOR
SERVICE MANUAL
MODEL:
GR-L257NI
COLOR:
TITANIUM
http://biz.lgservice.com
Ref. No.
GR-
GR-L257BTBA
2
Table of Contents
Default Chapter
2
Table of Contents
2
Warnings and Precautions for Safety
3
Specifications
4
Parts Identification
12
How to Install the Refrigerator
18
How to Adjust Door Height of the Refrigerator
18
How to Install Water Pipe
19
How to Control the Amount of Water Supplied to the Icemaker
23
Micom Function
25
Explation for Micom Circuit
34
Explanation for Pwb Circuit
34
Compensation Circuit for Weak-Cold, Over-Cold at Freezing Room
49
Pwb Parts Drawing and List
53
Pwb Circuit Diagram
63
Ice Maker and Dispenser Operation Principle and Repair Method
67
Working Principles
67
Function of Ice Maker
68
Ice Maker Troubleshooting
71
Ice Maker Circuit Part
72
Circuit
73
Trouble Diagnosis
75
Trouble Shooting
75
Faults
85
Cooling Cycle Heavy Repair
102
How to Deal with Claims
109
How to Disassemble and Assemble
114
Door
114
Handle
115
Shroud, Grille Fan
115
Icemaker
115
Dispenser
116
Water Tank and Water Line
118
Home Bar
118
Exploded View
119
Replacement Parts List
128
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LG GR-GR-L257BTBA Specifications
General
Type
Bottom Freezer
Energy Efficiency Class
A+
Noise Level
39 dB
Smart Diagnosis
Yes
Door Cooling+
Yes
Linear Cooling
Yes
Inverter Linear Compressor
Yes
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