Troubleshooting
4-110 Samsung Electronics
4-4-66 Fan lock error
Outdoor unit display
(FAN PCB(FAN1))
(FAN PCB(FAN2))
Judgment Method
Is checked sympt oms by phase curr ent of Fan Mot or .
Cause of problem
Fan Mot or connection error .
Defective Fan
Defective PCB
Power On and then Commissioning
Power Off
Replace Fan PCB
Yes
Did the error occurs?
End of Service
No
Yes
Did you check
the foreign objects on the Fan
rotary wing?
Remove the foreign objects and restart.
No
Yes
Fan do rotate by hand?
Replace Fan Motor
No
No
If you rotate the fan by hand,
the noise occurs?
Replace Fan Motor
Yes
Yes
Connection wire of
Fan Motor did confirmation?
(Check the connection status of
the Fan1 and Fan2.)
Check the connection status, and then restart.
No
1.
Cause of problem
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