Panasonic CS-HE9JKE Service Manual page 59

15.4.11. H30 (Compressor Discharge Temperature Sensor Abnormality)
Malfunction Decision Conditions
During startup and operation of cooling and heating, the temperatures detected by the outdoor discharge pipe temperature
sensor are used to determine sensor errors.
Malfunction Caused
• Faulty connector connection.
• Faulty sensor.
• Faulty PCB.
Troubleshooting
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