Daikin Super Multi Plus E-Series Service Manual page 338

Troubleshooting for RA Indoor Unit
4.3.2 DC Motor (Wall 20~35 D series and 50~71 class, Floor)
A6
Remote Control
Display
Method of
The rotation speed detected by the Hall IC during fan motor operation is used to determine
abnormal fan motor operation.
Malfunction
Detection
Malfunction When the detected rotation speed is less than 50% of the H tap under maximum fan motor
Decision rotation demand.
Conditions
Supposed
Causes
326
Operation halt due to short circuit inside the fan motor winding.
Operation halt due to breaking of wire inside the fan motor.
Operation halt due to breaking of the fan motor lead wires.
Operation halt due to faulty capacitor of the fan motor.
Detection error due to faulty indoor unit PCB (1).
SiEN18-622
Troubleshooting