Indoor Pipe Temperature Sensor Abnormality (F21-01) - Panasonic S-22KA1E5 Service Manual
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19.5 Indoor Pipe Temperature Sensor Abnormality (F21-01)
Malfunction Decision Conditions
•
During startup and operation of cooling and heating, the temperatures detected by the indoor pipe temperature
sensor are used to determine sensor errors.
Malfunction Caused
•
Faulty connector connection.
•
Faulty sensor.
•
Faulty indoor unit PCB (main).
Abnormality Judgment
•
Continue for 120 seconds.
Troubleshooting
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Troubleshooting
