LG LRBN2051 Series, Service Manual

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PROBLEM
INDICATED BY
CHECK
CHECKING METHOD
CAUSE
SOLUTION
COOLING is poor.
If REFRIGERATOR
1.
If FREEZER TEMPERATURE
Check is FREEZER
Make sure the
TEMPERATURE is
normal.
TEMPERATURE is
too low.
DOOR isattached.
is too low.
2. If amount of cool air from
Make sure that the amount
FAN MOTOR is poor.
Replace FAN MOTOR.
FAN MOTOR is
and speed of cool air are
Passage of cool air
Remove impurities.
sufficient.
sufficient by touching the
is blocked.
check supplied on the
EVA frozen.
See
DEFROSTING is poor
.
REFRIGERATOR.
3. Door Line contact.
Check door seal when
Door liner damaged.
Replace Door liner.
door is closed.
DEFROSTING is
NO DEFROSTING.
1. If HEATER emits heat.
USE TEST MODE2
HEATER disconnection.
Replace HEATER.
poor.
(forced DEFROSTING).
TEMPERATURE FUSE
Replace TEMPERATURE
disconnection.
FUSE.
Connection is poor.
Check EVAPORATOR connection and wire of MAIN PWB CONNECTOR.
DEFROST-SENSOR is poor.
Replace DEFROST-SENSOR.
HEATER RELAY is poor.
Replace RY3 of MAIN PWB.
2. If DRAIN PIPE is
Check DRAIN PIPE.
DRAIN PIPE is blocked.
Remove ice and impurities.
blocked.
Check HEATER PLATE resistance.
3. If ice remains after
Make sure that DEFROST
Connection is poor.
Reassemble the
DEFROSTING.
SENSOR is connected.
DEFROST-SENSOR.
Make sure that FREEZER /
DOOR does not close
Reassemble DOOR.
REFRIGERATOR DOOR is closed.
properly.
Replace GASKET.