Samsung AM032MNQDCH/AA Service Manual page 309

4-4-66 Fan lock error
Outdoor unit display
Judgment Method ∙ Is checked symptoms by phase current of Fan Motor.
∙ Fan Motor connection error.
Cause of problem ∙ Defective Fan
∙ Defective PCB
1. Cause of problem
Power On and then Commissioning
Did the error occurs?
the foreign objects on the Fan
Fan do rotate by hand?
If you rotate the fan by hand,
the noise occurs?
Connection wire of
Fan Motor did confirmation?
(Check the connection status of
the Fan1 and Fan2.)
Replace Fan PCB
Samsung Electronics
(FAN PCB(FAN1))
(FAN PCB(FAN2))
Yes
Did you check
rotary wing?
Yes
Power Off
Yes
No
Yes
No
End of Service
No
Remove the foreign objects and restart.
No
Replace Fan Motor
Yes
Replace Fan Motor
No
Check the connection status, and then restart.
Troubleshooting
4-109