Panasonic CS-YE18NKV-6 Service Manual page 64

15.5.15 F11 (Indoor Pipe Temperature Sensor Abnormality)
Malfunction Decision Conditions

When cooling operation, when indoor pipe temperature or indoor heat exchanger temperature sensor is above
45°C.
Malfunction Caused

Faulty connector connection.

Faulty indoor pipe temperature sensor.

Faulty indoor main PCB.
Troubleshooting
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