Panasonic WH-UD07CE5-A Service Manual page 113
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- Service manual (166 pages) ,
- Operating instructions manual (92 pages) ,
- Service manual (158 pages)
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17.5.28. 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.
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