Codes and description
Domestic air conditioner
7.2.3 Fan Motor(AC Motor) or Related Abnormality
Indoor Display
(
(
(
Method of
The rotation speed detected by the Hall IC during fan motor operation is used to determine
Malfunction
abnormal fan motor operation
Detection
Malfunction
when the detected rotation feedback signal don’t received in 2 minutes
Decision
Conditions
Supposed
Causes
Ƶ
Operation halt due to short circuit inside the fan motor winding.
Ƶ
Operation halt due to breaking of wire inside the fan motor .
Ƶ
Operation halt due to breaking of the fan motor lead wires
Ƶ
Dedection error due to faulty indoor unit PCB
HSU-12LEK03-Y2
36