Panasonic WH-UD07CE5-A Service Manual page 102

17.5.17. Outdoor Fan Motor (DC Motor) Mechanism Locked (F15)
Malfunction Decision Conditions:
The rotation speed detected by the Hall IC of the fan motor during fan motor operation is used to determine abnormal fan motor
(feedback of rotation > 2550rpm or < 50rpm).
Malfunction Caused:
1. Operation stop due to short circuit inside the fan motor winding.
2. Operation stop due to breaking of wire inside the fan motor.
3. Operation stop due to breaking of fan motor lead wires.
4. Operation stop due to fan motor Hall IC malfunction.
5. Operation error due to faulty outdoor unit PCB.
Abnormality Judgment:
Continue 2 times in 30 minutes.
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