Panasonic WH-MXF09D3E8 Service Manual page 102
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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16.5.33 Cooling High Pressure Overload Protection (F95)
Malfunction Decision Conditions:
During operation of cooling, when pressure 4.0MPa and above is detected by outdoor high pressure sensor.
Malfunction Caused:
1. Dust accumulation in the outdoor unit heat exchanger.
2. Air short circuit at outdoor unit.
3. 2 way valve closed.
4. Faulty outdoor unit fan motor.
5. Clogged expansion valve or strainer.
6. Excessive refrigerant.
7. Faulty outdoor high pressure sensor.
8. Faulty outdoor unit PCB (main).
102
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