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16.5.30 Input Over Current Detection (F16)
Malfunction Decision Conditions:
During operation of cooling and heating, when outdoor current above 21.0 A (Heating) and 13.8 A (Cooling)
[UD07HE5)] and 22.8 A (Heating) and 14.5 A (Cooling) [UD09HE5)] is detected by the current transformer (CT)
in the outdoor unit PCB.
Malfunction Caused:
1 Excessive refrigerant.
2 Faulty outdoor unit PCB (main).
Abnormality Judgment:
Continue 3 times in 20 minutes.