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SiBE04-624_B
2.10 Fan Motor (DC Motor) or Related Abnormality
A6
Error Code
Method of Error
The rotation speed detected by the Hall IC during fan motor operation is used to determine
Detection
abnormal fan motor operation.
Error Decision
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.
Conditions
Supposed
Causes
Service Diagnosis
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
Troubleshooting
89
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