Panasonic S-22KA1E5S Service Manual page 224

Ka1e5 series, ya1e5 series, ua1e5 series, na1e5 series, ma1e5 series,

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18.2.23 Outdoor Heat Exchanger Sensor Abnormality (F40-21)

Malfunction Decision Conditions

During startup and operation of cooling and heating, the temperatures detected by the outdoor pipe temperature

sensor are used to determine sensor errors.

Malfunction Caused

Faulty connector connection.

Faulty sensor.

Faulty outdoor unit PCB (main).

Abnormality Judgment

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Troubleshooting

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Troubleshooting