Troubleshooting for RA Indoor Unit SiBE121123_A
161 Service Diagnosis
5.3 Fan Motor or Related Abnormality
5.3.1 DC Motor (Wall Mounted Type, Floor Standing Type)
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 matters 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
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