Fan Motor Locking Error - Samsung AM080FX A Series Service Manual

Troubleshooting
4-3 Appropriate Measures for Different Symptom (cont.)

4-3-42 Fan motor locking error

Outdoor unit display
- Detect according to the value of current flowing through the Fan PBA.
Judgment Method
- Detect malfunction of the fan motor system according to the fan revolutions
∙ Fan Motor connection error.
Cause of problem ∙ Defective Fan
∙ Defective PBA
1. Cause of problem
Power On and then Auto Trial Operation
Did the error occurs?
Did you check
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 PBA
Samsung Electronics
(FAN PBA(FAN1))
(FAN PBA(FAN2))
detected by the hall IC during the fan motor runs.
Yes
rotary wing?
Yes
Power Off
Yes
No
Yes
No
No
Remove the foreign objects and restart.
No
Yes
No
Check the connection status, and then restart.
End of Service
Replace Fan Motor
Replace Fan Motor
202