Panasonic WH-MXC16G9E8 Service Manual page 124
Air-to-water heatpump system
mono bloc unit
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Also See for WH-MXC16G9E8:
- Operating instructions manual (100 pages) ,
- Service manual (18 pages)
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16.5.32 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.
124
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