Panasonic WH-MHF12G9E8 Service Manual page 111
(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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16.5.23 IPM Overheating (F22)
Malfunction Decision Conditions:
During operation of heating, when temperature 95°C is detected by the outdoor IPM temperature sensor.
Malfunction Caused:
1
Faulty outdoor unit fan motor.
2
Faulty outdoor unit PCB (main).
Abnormality Judgment:
Continue 3 times in 30 minutes.
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