Panasonic WH-UD07CE5-A - Page 102

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17.5.8. Tank Temperature Sensor Abnormality (H72)
Malfunction Decision Conditions:
When tank connection is set to ON, the temperatures detected by the tank temperature sensor are used to determine sensor
error.
Malfunction Caused:
1. Faulty connector connection.
2. Faulty sensor.
3. Faulty indoor unit PCB (main).
Abnormality Judgment:
Continue for 5 seconds.