Panasonic WH-MHF12G9E8 Service Manual page 98
(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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16.5.10 Indoor Backup Heater OLP Abnormality (H70)
Malfunction Decision Conditions:
During operation of indoor backup heater, when no power supplies to indoor backup heater or OLP open circuit.
Malfunction Caused:
1
Faulty power supply connector connection.
2
Faulty connector connection.
3
Faulty indoor backup heater overload protector (OLP).
4
Faulty indoor unit PCB (main).
Abnormality Judgment:
Continue for 60 seconds.
98
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