81
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 CN30 #19.
Does it read DC7~12V
(between MAIN PCB GND and CN30
#19) and lower than DC 2V (between
MAIN PCB GND and
CN30 #21)?
Start
Run Forced Operation.
FAN operates.
Replace the 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.
When to start power supply : 7 Min after
turning off the motor.
(To prevent the compressor from being
overloaded)
◆ Possible Causes
①
Defective FAN-MOTOR
②
Contact problem at the terminal (MAIN PCB CONNECTOR-
TERMINAL [CN30 #17, #19, #21], 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
▶ When checking with the Self Diagnosis
ERROR CODE
Freezer, Kimchi model
Fridge model
- 1 BOARD
Содержание RR39M7 Series
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