Panasonic WH-MXF09D3E8 Service Manual page 99
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Also See for WH-MXF09D3E8:
- Service manual (118 pages) ,
- Operating instructions manual (76 pages) ,
- Design handbook (132 pages)
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16.5.24 Four Way Valve Abnormality (F25)
Malfunction Decision Conditions:
During heating operation, when the indoor pipe temperature of thermostat ON indoor unit < 0°C.
Malfunction Caused:
1
Faulty sensor.
2
Faulty connector connection.
3
Faulty outdoor unit PCB (noise filter/main).
4
Faulty four way valve.
Abnormality Judgment:
Continue 4 times in 30 minutes.
99
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