Hall Ic(Fan) Error - Samsung AM072FXVAFH series Service Manual

Troubleshooting

4-4-53 Hall IC(Fan) error

Outdoor unit
display
Judgment
∙ Fan rotation defective or vibration and noise of the defective operation.
∙ Hall IC there is no signal input.
Method
∙ Connection status error.
Cause of
∙ Hall IC wire disconnection.
∙ Defective circuit parts and defective manufacturing.
problem
∙ 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
HALL IC on the PCB is connected correctly?
Replace Fan PCB
When the error is repeated,
replace the Fan Motor.
4-112
(FAN PCB(FAN1))
(FAN PCB(FAN2))
Yes
Yes
detached.)
Yes
Yes
Restart
FAN Motor Connector
Hall-sensor Connector
No
No
Check the connecting wire and restart it.
No
Check the connecting wire and restart it.
[FAN PCB]
Hall-sensor Connector
End of Service
Samsung Electronics