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LG Manuals
Refrigerator
LMX21981** /01
Service manual
LG LMX21981** /01 Service Manual page 43
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Contents
Table of Contents
Troubleshooting
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PROBLEM
INDICATED BY
COOLING is
If
poor.
REFRIGERATOR
TEMPERATURE
is too low.
DEFROSTIN
NO
G is poor.
DEFROSTING.
CHECK
CHECKING METHOD
1. If FREEZER
Check is FREEZER
TEMPERATURE is
TEMPERATURE is too
normal.
low.
2. If amount of cool air
Make sure that the
from FAN MOTOR is
amount and speed of cool
sufficient.
air are sufficient by
touching the check
supplied on the
REFRIGERATOR.
Check door seal when
3. Door Line contact.
door is closed.
1. If HEATER emits heat.
USE TEST MODE3
(forced DEFROSTING).
2. If DRAIN PIPE is
Check DRAIN PIPE.
blocked.
3. If ice remains after
Make sure that
DEFROSTING.
DEFROST SENSOR is
connected.
Make sure that
FREEZER
/REFRIGERATOR
DOOR is closed.
- 42 -
CAUSE
Make sure the DOOR
isattached.
FAN MOTOR is poor.
Replace FAN MOTOR.
Passage of cool air is
Remove impurities.
blocked.
EVA frozen.
See DEFROSTING is
poor.
Door liner damaged.
Replace Door liner.
HEATER disconnection.
Replace HEATER.
TEMPERATURE FUSE
Replace
disconnection.
TEMPERATURE FUSE.
Connection is poor.
Check EVAPORATOR
connection and wire of
MAIN PWB
CONNECTOR.
DEFROST-SENSOR is
Replace DEFROST-
poor.
SENSOR.
HEATER RELAY is poor.
Replace RY4 of MAIN
PWB.
DRAIN PIPE is blocked.
Remove ice and
impurities.
Check HEATER PLATE
resistance.
Connection is poor.
Reassemble the
DEFROST-SENSOR.
Reassemble DOOR.
DOOR does not close
properly.
Replace GASKET.
SOLUTION
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Parts Identification
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This manual is also suitable for:
Lmx25981** /01
Lmx21981 series
Lmx25981 series
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