Samsung AM032MNQDCH/AA Service Manual page 324

Troubleshooting
4-4-82 Hall IC(Fan) error
Outdoor unit display
∙ Fan rotation defective or vibration and noise of the defective operation.
Judgment Method
∙ Hall IC there is no signal input.
∙ Connection status error.
∙ Hall IC wire disconnection.
Cause of problem
∙ Defective circuit parts and defective manufacturing.
∙ Fan Motor defective.
1. Cause of problem
Power Off / Power Restart
Did the error occurs?
Connection wire of
HALL IC did confirmation?
(Verify that the wire folded, or the connection is
detached.)
HALL IC on the PCB is connected correctly?
Replace Fan PCB
When the error is repeated, replace the Fan Motor.
4-124
(FAN PCB(FAN1))
(FAN PCB(FAN2))
Yes
Yes
Yes
Yes
Restart
No
No
Check the connecting wire and restart it.
No
Check the connecting wire and restart it.
End of Service
Samsung Electronics