Panasonic WH-SXC09D3E5 Service Manual page 102
Air-to-water heatpump
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Also See for WH-SXC09D3E5:
- Operating instructions manual (92 pages) ,
- Design handbook (132 pages) ,
- Operating instructions manual (12 pages)
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16.5.28. Power Factor Correction (PFC) Abnormality (F41)
Malfunction Decision Conditions:
During operation of cooling and heating, when the PFC protection circuitry in the outdoor unit PCB (main) senses abnormal high
DC voltage level.
Malfunction Caused:
1. Power supply surge.
2. Compressor windings not uniform.
3. Faulty outdoor unit PCB (main).
Abnormality Judgment:
Continue 4 times in 10 minutes.
102
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