Panasonic cs-s9pkv Service Manual page 117

15.4.24 F97 (Compressor Overheating)
Malfunction Decision Conditions
During operation of cooling, when compressor tank temperature data (112°C) is detected by the compressor tank
temperature sensor.
Malfunction Caused

Refrigerant shortage (refrigerant leakage).

2/3 way valve closed.

Detection error due to faulty compressor tank temperature sensor.
Troubleshooting
117