Panasonic CS-XE9PKUA - Manual (Page 60)

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15.4.6 H19 (Indoor Fan Motor – DC Motor Mechanism Locked)
Malfunction Decision Conditions
š The rotation speed detected by the Hall IC during fan motor operation is used to determine abnormal fan motor
(feedback of rotation > 2550rpm or < 50rpm)
Malfunction Caused
š Operation stops due to short circuit inside the fan motor winding.
š Operation stops due to breaking of wire inside the fan motor.
š Operation stops due to breaking of fan motor lead wires.
š Operation stops due to Hall IC malfunction.
š Operation error due to faulty indoor unit PCB.
Troubleshooting