Panasonic WH-MXF09D3E8 Service Manual page 80
Mono bloc air-to-water heatpump system
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Also See for WH-MXF09D3E8:
- Service manual (125 pages) ,
- Operating instructions manual (76 pages) ,
- Design handbook (132 pages)
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16.5.11 Tank Booster Heater OLP Abnormality (H91)
Malfunction Decision Conditions:
During operation of tank booster heater, and tank booster heater OLP open circuit.
Malfunction Caused:
1. Faulty connector connection.
2. Faulty tank booster heater overload protector (OLP).
3. Faulty indoor unit PCB (main).
Abnormality Judgment:
Continue for 60 seconds.
80
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