Panasonic WH-MDC09C3E5 Servise Manual page 108
Monobloc air-to-water heatpump system
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Also See for WH-MDC09C3E5:
- Service manual (7 pages) ,
- Operating instructions manual (92 pages) ,
- Installation manual (90 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.
108
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