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8-4 TROUBLESHOOTING
PROBLEM INDICATED BY CHECK CHECKING METHOD CAUSE SOLUTION
POWER SOURCE 1.
The whole DISPLAY
1. FREEZER/ Check if FREEZER/ POWER SOURCE is poor. Check outlet Voltage.
is poor.
LED/SEVEN SEGMENT
REFRIGERATOR. REFRIGERATOR DOOR IS
DISPLAY is off.
OPEN and check display.
2.
DISPLAY LED/
2. If LAMP is dim. Check visually. Applied voltage error. Use boosting TRANS.
SEVEN SEGMENT
3. The connection of Check connection of CONNECTOR connection Reconnect CONNECTOR.
DISPLAY operates the MAIN PWB CONNECTOR. is poor.
abnormally CONNECTOR. TRANS FUSE is open. Replace TRANS.
COOLING is poor. NO COOLING. 1. If the COMPRESSOR USE TEST MODE1 COMPRESSOR locked or Replace COMPRESSOR.
operate.
(forced COOLING).
blocked.
If less than 7 minutes pass OLP, PTC is poor. Replace OLP, PTC.
after compressor shuts off, COMPRESSOR RELAY is Replace MAIN PWB.
don’t press the KEY and poor.
wait. THE CONNECTING WIRE Check the connection of the
is poor. black wire of the MAIN PWB
CONNECTOR (CON1).
2. If refrigerant is leaking. Measure the amount of frost Refrigerant leakage. Replace the leaking part and
. sticking on EVAPORATOR replace any lost refrigerant.
and the surface temperature
of the condenser pipe.
FREEZER 1. If FAN MOTOR USE TEST MODE1 FAN MOTOR is poor. Replace the FAN MOTOR.
TEMPERATURE is operates. (forced COOLING).
incorrect CONNECTING WIRE is poor. Refer to 8-2-4. 2 and check
2. If DEFROSTING Check the amount of frost DEFROSTING is poor. See DEFROSTING
is normal. sticking on the EVAPORATOR . is poor.
3. If SENSOR Check the resistance SENSOR RESISTANCE is Replace SENSOR.
is normal. of the Refrigerator poor.
SENSOR.
4. Door Line contact. Check the seal when Door liner damaged. Replace door liner.
the door is closed.
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