Panasonic CS-RE18NKE - Page 56

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15.5.6 H23 (Indoor Pipe Temperature Sensor Abnormality)
Malfunction Decision Conditions
 During startup and operation of cooling and heating, the temperatures detected by the indoor heat exchanger
temperature sensor are used to determine sensor errors.
Malfunction Caused
 Faulty connector connection.
 Faulty sensor.
 Faulty PCB.
Troubleshooting