Daikin FTX50K(M/2)V1B - Fan Motor (DC Motor) or Related Abnormality

SiBE041525F Troubleshooting
Service Diagnosis 52
4.4 Fan Motor (DC Motor) or Related Abnormality
Error Code A6
Method of Error
Detection
The rotation speed detected by the Hall IC during fan motor operation is used to determine
abnormal fan motor operation.
Error 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
 Disconnection of connector
 Foreign matter stuck in the fan
 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