Samsung RT53 Service Manual page 48

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TROUBLESHOOTING
4-2-2. When the Freezer Fan does not operate (BLDC Motor)
- This refrigerator uses the BLDC Fan Motor.
The BLDC Motor operates with DC 7~12V.
- The F-Fan motor generally runs together with the compressor.
☞ When checking with the Self Diagnosis
Upon the initial power on, the compressor
and the F-Fan operate.
And, when the Fridge temp is lower than
12 ℃ , it will be regarded as an instant
power failure, starting in 7 minutes.
Hotpoint,Mba
4033 Cv
F FAN ERROR
turning the motor off. (To prevent the
compressor from being overloaded)
Does it repeat DC7~12V (between MAIN
PCB GND and CN76 #9) and lower than
DC 2V (between MAIN PCB GND and
RELATED TITLES
LG_MULTI_F_3828A20097W_1[1]
Start
Yes
The Compressor is Off.
No
It reads DC7~12
Yes
between MAIN PCB
GND and CN76 #9.
No
Apply power in 7 minutes after
Yes
CN76 #6)?
Yes
◆ Possible Causes
① Defective FAN-MOTOR

Samsung 34648123
Refrigerador WD856UH
Run Forced Operation
FAN operates.
No
Replace MAIN PCB