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17.5.21. Output Over Current Detection (F23)
Malfunction Decision Conditions:
During operation of cooling and heating, when outdoor DC current is above 40.1 ± 5.0A (for: UD07~09CE) OR 44.7 ± 5.0A (for:
UD12~16CE) is detected by the IPM DC Peak sensing circuitry in the outdoor unit PCB (main).
Malfunction Caused:
1. Faulty outdoor unit PCB (main).
2. Faulty compressor.
Abnormality Judgment:
Continue for 7 times.
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