Samsung RB37A52N0SA [65/101] Troubleshooting

Samsung RB37A52N0SA [65/101] Troubleshooting
65
4. 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
F FAN ERROR
The Compressor is Off.
It reads DC7~12 between
MAIN PCB GND and CN76 #9?
Does it read DC7~12V
(between MAIN PCB GND and CN76 #9)
and lower than DC 2V
(between MAIN PCB GND and
CN76 #6)?
Start
Run Forced Operation
FAN operates.
Replace MAIN PCB
Yes
Yes
No
No
Yes
Yes
Upon the initial power on, the compressor
and the F-Fan operate.
And, when the Freezer temp is lower than
10℃, it will be regarded as an instant
power failure, starting in 7 minutes.
Apply power in 7 minutes after
turning the motor off.
(To prevent the compressor from
being overloaded)
◆ Possible Causes
① Defective FAN-MOTOR
Contact problem at the terminal
(MAIN PCB CONNECTOR-TERMINAL (CN76. ⑥,⑨,
⑩), Contact problem at Freezer Fan Motor Connector,
Defective Motor Wire)
Check the motor rotating pulse input upon Fan Motor
operation. (Refer to Fan-Motor Circuit in this manual)
No
No

Содержание

Похожие устройства

Скачать