LG LRFC25750ST, Service Manual

Page: 33 / 44

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PROBLEM
INDICA
TED BY
CHECK
CHECKING METHOD
CAUSE
SOLUTION
COOLING is poor
.
If REFRIGERA
T
O
R
1
.If
FREEZER TEMPERA
TURE
Check is FREEZER
Make sure the
TEMPERA
TURE is
normal.
TEMPERA
TURE is
too low
.
DOOR isattached.
is too low
.
2. If amount of cool air from
Make sure that the amount
F
AN MOT
OR is poor
.
Replace F
AN MOT
OR.
F
AN MOT
OR is
and speed of cool air are
Passage of cool air
Remove impurities.
suf
ficient.
suf
ficient by touching the
is blocked.
check supplied on the
EV
A frozen.
See
DEFROSTING is poor
.
REFRIGERA
T
OR.
3. Door Line contact.
Check door seal when
Door liner damaged.
Replace Door liner
.
door is closed.
DEFROSTING is
NO DEFROSTING.
1. If HEA
TER emits heat.
USE TEST MODE2
HEA
TER disconnection.
Replace HEA
TER.
poor
.
(forced DEFROSTING).
TEMPERA
TURE FUSE
Replace TEMPERA
TURE
disconnection.
FUSE.
Connection is poor
.
Check EV
APORA
T
OR
connection and wire of MAIN PWB CONNECT
OR.
DEFROST
-SENSOR is poor
.
Replace DEFROST
-SENSOR.
HEA
TER RELA
Y is poor
.
Replace R
Y2 of MAIN PWB.
2. If DRAIN PIPE is
Check DRAIN PIPE.
DRAIN PIPE is blocked.
Remove ice and impurities.
blocked.
Check HEA
TER PLA
TE
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.
REFRIGERA
TOR DOOR is closed.
properly
.
Replace GASKET
.