Fan Motor (Dc Motor) Or Related Abnormality - Daikin FTXS20G2V1B Service Manual

Troubleshooting
4.4

Fan Motor (DC Motor) or Related Abnormality

A6
Remote Control
Display
Method of The rotation speed detected by the Hall IC during fan motor operation is used to determine
Malfunction abnormal fan motor operation.
Detection
Malfunction
The detected rotation speed does not reach the demanded rotation speed of the target tap, and
Decision is less than 50% of the maximum fan motor rotation speed.
Conditions
„ Layer short inside the fan motor winding
Supposed
„ Breaking of wire inside the fan motor
Causes
„ Breaking of the fan motor lead wires
„ Defective capacitor of the fan motor
„ Defective indoor unit PCB
107
SiENBE04-808_A
Service Diagnosis