Panasonic WH-SDF09C3E5 Service Manual page 120
Air-to-water heatpump
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Also See for WH-SDF09C3E5:
- Service manual (146 pages) ,
- Design handbook (132 pages) ,
- Operating instructions manual (92 pages)
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17.5.25 Outdoor High Pressure Switch Abnormal (F27)
Malfunction Decision Conditions:
During compressor stop, and outdoor high pressure switch is remain opened.
Malfunction Caused:
1
Faulty connector connection.
2
Faulty switch.
3
Faulty outdoor unit PCB (main).
Abnormality Judgment:
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