Fan Motor Or Related Abnormality - Daikin 2MXS-N Series Service Manual

SiUS121502E
5.3

Fan Motor or Related Abnormality

5.3.1 DC Motor (CTXS, FTXS, FVXS Series)
A6
Error Code
Method of Error The rotation speed detected by the Hall IC during fan motor operation determines abnormal fan
Detection motor operation.
Error Decision The detected rotation speed does not reach the demanded rotation speed of the target tap, and is
Conditions less than 50% of the maximum fan motor rotation speed.
Supposed
Causes
Service Diagnosis
Remarkable decrease in power supply voltage
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 for CTXS, FTXS, CDXS, FDXS, FVXS Series
119