Panasonic WH-MXF09D3E5 Service Manual page 101
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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16.5.33. 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).
101
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