80
TROUBLESHOOTING
- This refrigerator uses the BLDC Fan Motor.
- The BLDC Motor operates with DC 7~12V.
- The R-Fan motor generally runs together with the compressor.
The Compressor is Off.
It reads DC7~12 between
MAIN PCB GND and CN31 #10?
Does it read DC7~12V
(between MAIN PCB GND and CN31 #10)
and lower than DC 2V
(between MAIN PCB GND and
CN31 #9)?
Start
Run Forced Operation
FAN operates.
Replace MAIN PCB
Yes
Yes
No
No
Yes
Yes
Upon the initial power on, the compressor
and the R-Fan operate.
And, when the Freezer temp is lower
than 10℃/50°F, it will be regarded as an
instant power failure 7 Min.
Apply power in Twin Cooling : 15 Min,
Mono Cooling : 7 Min after turning the
motor off. (To prevent the compressor
from being overloaded)
◆ Possible Causes
①
Defective FAN-MOTOR
②
Contact problem at the terminal
(MAIN PCB CONNECTOR-TERMINAL (CN31 #9, #10, #11),
Contact problem at Fridge Fan Motor Connector, Defective
Motor Wire)
③
Check the motor rotating pulse input upon Fan Motor
operation. (Refer to Fan-Motor Circuit in this manual)
No
No
4-11) When the R-Fan does not operate(Applied to Models with R-Fan)
- 2 BOARD
▶ When checking with the Self Diagnosis
ERROR CODE
Freezer, Kimchi model
Fridge model