LG GR-382R Service Manual

1
Contents
Safety Precautions ----------------------------------------------- -------------------------------------- 1
Service Precautions ----------------------------------------------------------------------------------- 2-3
Specifications ------------------------------------------------------------------------------------------- 4
Feature Chart ------------------------------------------------------------------------------------------- 5
Circuit Diagram ------------------------------------------------------------------------------------------ 6-7
Cooling Systems ---------------------------------------------------------------------------------------- 8
Product Disassembly ---------------------------------------------------------------------------------- 9-11
Doors ------------------------------------------------------------- ----------------------------------------- 9
Door Switch ---------------------------------------------------------------------------------------------- 9
Electronic Control Display PCB ----------------------------------------------------------------- --- 9
Freezer Fan ---------------------------------------------------------------------------------------------- 10
Defrost Control ------------------------------------------------------------------------------------------ 10
Lamp ------------------------------------------------------------------------------------------------------- 10
Refrigerator Control Box ------------------------------------------------------------------------------ 11
Reversible Door --------------------------------------- --------------------------------------------------- 12-13
Adjustments ----------------------------------------------------------------------------------------------- 14-15
Compressor ---------------------------------------------------------------------- ------------------------ 14
PTC Starter----------------------------------------------------------------------------------------------- 14
Overload Protector (OLP) ---------------------------------------------------------------------------- 15
Troubleshooting ----------------------------------------------------------------------------------------- 16-21
Compressor & Electrical Components ------------------------------------------------------------ 16
PTC & OLP ------------------------------------ ---------------------------------------------------------- 17
Other Electrical Components ----------------------------------------------------------------------- 18
Service Diagnosis Chart ------------------------------------------------------------- ----------------- 19
Refrigerant Cycle --------------------------------------------------------------------------------------- 20-21
MICOM circuit & operation --------------------------------------------------------------------------- 22-39
Refrigerator Exploded View-------------------------------------------------------------------------- 40-41
Service Parts list----------------------------------------------------------------------------------------- 42-43
Safety Precautions.
Read the following inst ructions before servicing your refrigerator.
1. Unplug the refrigerator before
servicing.
2. Visually inspect for gas leakage or
short circuit.
3. If testing with the refrigerator
plugged in, wear rubber gloves to
avoid electric shock.
4. Do not touch frozen metal parts;
your hands could freeze to the
surface. This
may cause frostbite.
5. Be sure that no water is dripping
towards electrical or metal parts.
6. If you check the bottom part of the
refrigerator while the freezer
door is open, be careful standing
up. You
could bump your head.
7. When you tilt your refrigerator be
sure to take out all metal, glass, or
other loose
parts.
8. When servicing the evaporator,
wear cotton gloves to prevent cutting
by any of
the evaporator fins.

LG GR-382R Specifications

General

Brand	LG
Model	GR-382R
Category	Refrigerator
Language	English