Samsung AM080KXMDFH/TC - Page 78

Troubleshooting
4-36 Samsung Electronics
■ Hall IC connection error of Fan2 (E387) / Hall IC connection error of Fan1. (E487)
Outdoor unit Display E-387 / E-487
Judgement Method
•IFanrotationdefectiveorvibrationandnoiseofthedefectiveoperation.
•IHallICthereisnosignalinput.
Cause of problem
•IConnectionstatuserror.
•IHallICwiredisconnection.
•IDefectivecircuitpartsanddefectivemanufacturing.
•IFanMotordefective.
Power Off / Power Restart
Did the error occurs?
Yes
No
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?
Check the connecting wire and restart it.
End of Service
Check the connecting wire and restart it.
No
No
Replace Fan PCB.
Yes
Yes
Restart.
When the error is repeated, replace the Fan Motor.