Panasonic WH-MHF12G9E8 Service Manual page 122
(mono bloc) air-to-water heat pump system
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Also See for WH-MHF12G9E8:
- Planning and installation manual (117 pages) ,
- Operating instructions manual (100 pages)
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16.5.34 Outdoor Defrost Temperature Sensor Abnormality (F43)
Malfunction Decision Conditions:
During startup and operation of heating, the temperatures detected by the outdoor defrost temperature sensor
are used to determine sensor error.
Malfunction Caused:
1
Faulty connector connection.
2
Faulty sensor.
3
Faulty outdoor unit PCB (main).
Abnormality Judgment:
Continue for 5 seconds.
122
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