Power Factor Correction (Pfc) Abnormality (F32-08) - Panasonic S-22KA1E5 Service Manual

19.16 Power Factor Correction (PFC) Abnormality (F32-08)

Malfunction Decision Conditions
•
During startup and operation of cooling and heating, when the PFC protection circuitry in the outdoor unit PCB
(main) senses abnormal high DC voltage level.
Malfunction Caused
•
Power supply surge.
•
Compressor windings not uniform.
•
Faulty outdoor unit PCB (main).
Abnormality Judgment
•
Continue 2 times in 1 minute.
Troubleshooting
257