Panasonic WH-MHF12G9E8 Service Manual page 96
(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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16.5.8 Outdoor Low Pressure Abnormality (H63)
Malfunction Decision Conditions:
During operation of heating, when the outdoor low pressure sensor output signal is 0Vdc or 5Vdc.
Malfunction Caused:
1
Faulty connector connection.
2
Faulty sensor.
3
Faulty outdoor unit PCB (main).
Abnormality Judgment:
Continue 4 times in 20 minutes.
96
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