Panasonic WH-SXC16F9E8 Service Manual page 110

16.5.18 Input Over Current Detection (F16)
Malfunction Decision Conditions:
During operation of cooling and heating, when outdoor current above 15.5 A (Heating) and 7.71 A (Cooling) 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.
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