SiBE05-722EE Troubleshooting
Service Diagnosis 67
4.4 Fan Motor (AC Motor) or Related Abnormality
Error Code
A6
Method of Error
Detection
The rotation speed detected by the Hall IC during fan motor operation determines abnormal fan
motor operation.
Error Decision
Conditions
The detected rotation speed does not reach the demanded rotation speed of the target tap.
Supposed
Causes
Power supply voltage is not as specified.
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
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