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PROBLEM
INDICATED BY
CAUSE
POWER
SOURCE is
poor.
1. The whole
2. DISPLAY LED
1. FREEZER/
REFRIGERAT-
OR.
Check if FREEZER/
REFRIGERATOR
DOOR IS OPEN
and check display.
POWER SOURCE
is poor.
Replace Main PWB
COOLING is
poor.
NO COOLING.
1. If the
COMPRESSOR
operate.
USE TEST MODE1
(forced COOLING).
If less than 7
minutes pass after
compressor shuts
off, don’t press the
KEY and wait.
COMPRESSOR
locked or blocked.
Replace OLP, PTC.
FREEZER
TEMPERATURE
is incorrect
1. If FAN MOTOR
operates.
USE TEST MODE1
(forced COOLING).
FAN MOTOR is
poor.
Replace the FAN
MOTOR.
2. If
DEFROSTING
is normal.
Check the amount
of frost sticking on
the EVAPORATOR.
DEFROSTING is
poor.
See DEFROSTING is
poor.
CONNECTING
WIRE is poor.
Certify the MOTOR
and the connection of
the black wire of the
MAIN PWB
CONNECTOR (CON4).
2. If refrigerant is
leaking.
Measure the
amount of frost
sticking on
EVAPORATOR and
the surface
temperature of the
condenser pipe.
Refrigerant
leakage.
Replace the leaking
part and replace any
lost refrigerant.
OLP, PTC is poor.
COMPRESSOR
RELAY is poor.
Replace MAIN PWB.
THE
CONNECTING
WIRE is poor.
Check the connection
of the black wire of
the MAIN PWB
CONNECTOR (CON3).
2. If LAMP is dim.
Check visually.
Applied voltage
error.
Replace Main PWB
CHECKING
METHOD
SOLUTION
CHECK
3. The
connection of
the MAIN PWB
CONNECTOR.
Check connection of
CONNECTOR.
CONNECTOR
connection is poor.
Reconnect
CONNECTOR
TRANS FUSE is
open.
Replace Main PWB
3. If SENSOR is
normal.
Of the Refrigerator
SENSOR.
SENSOR
RESISTANCE is
poor.
Replace SENSOR.
4. Door Line
contact.
Check the seal
when the
door is closed.
Door liner
damaged.
Replace door liner.
8-3 TROUBLESHOOTING
