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25.2.10 Abnormal Zone 2 Sensor (- / - / H44)
Malfunction Caused:
1 Faulty connector connection.
2 Faulty buffer tank sensor.
3 Faulty indoor sub PCB.
Abnormality Judgment:
Continue for 5 seconds.
For safety reason and to prevent
component breakdown, always switch
off the power before remove and
connect the component.
YES
●
Correct abnormal connection
NO
●
Change sensor zone 2
YES
Plug out from sub PCB, check sensor characteristics measure
resistance is it match?
Abnormal zone 2 sensor
Turn off power check connector connection normal?
Change PCB
Caution