Panasonic CS-RE18PKR Service Manual page 96

15.5.25 F93 (Compressor Rotation Failure)
Malfunction Decision Conditions

A compressor rotation failure is detected by checking the compressor running condition through the position
detection circuit.
Malfunction Caused

Compressor terminal disconnect.

Faulty Outdoor PCB.

Faulty compressor.
Troubleshooting
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