Panasonic WH-MXF09D3E5 Service Manual page 75
Monobloc air-to-water heatpump system
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Also See for WH-MXF09D3E5:
- Operating instructions manual (76 pages) ,
- Design handbook (132 pages) ,
- Installation manual (90 pages)
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16.5.7. 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.
75
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