Daikin Floor Standing Type F-Series - Fan Motor (DC Motor) or Related Abnormality

Troubleshooting SiBE06-708_A
87 Service Diagnosis
4.4 Fan Motor (DC Motor) or Related Abnormality
Remote
Controller
Display
A6
Method of
Malfunction
Detection
The rotation speed detected by the Hall IC during fan motor operation is used to determine
abnormal fan motor operation.
Malfunction
Decision
Conditions
The detected rotation speed does not reach the demanded rotation speed of the target tap, and
is less than 50% of the maximum fan motor rotation speed.
Supposed
Causes

Layer short inside the fan motor winding

Breaking of wire inside the fan motor

Breaking of the fan motor lead wires

Defective capacitor of the fan motor

Defective indoor unit PCB