Si04-402A
Troubleshooting
Service Diagnosis
77
4.4
Fan Motor (DC Motor) or Related Abnormality
Remote
Controller
Display
A6
Method of
Malfunction
Detection
The rotation speed detected by the
Hall IC
during fan motor operation is used to determine
abnormal fan motor operation.
Malfunction
Decision
Conditions
When the detected rotation speed is less than 50% of the HH tap under maximum fan motor
rotation demand.
Supposed
Causes
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.
Detection error due to faulty indoor unit PCB.
Содержание ARXG25CVMB
Страница 1: ...Inverter Pair Wall Mounted Type C Series Applied Models z z z zInverter Pair Heat Pump Si04 402A ...
Страница 23: ...Printed Circuit Board Connector Wiring Diagram Si04 402A 14 Printed Circuit Board Connector Wiring Diagram ...
Страница 167: ...Outdoor Unit Si04 402A 158 Removal Procedure When reassembling make sure to fit the hook Step Procedure Points ...
Страница 181: ...Outdoor Unit Si04 402A 172 Removal Procedure ...
Страница 185: ...Others Si04 402A 176 Others ...
Страница 189: ...Wiring Diagrams Si04 402A 180 Appendix ...