Panasonic CS-RE18NKE Service Manual page 71

15.5.21 F98 (Input Over Current Detection)
Malfunction Decision Conditions
During operation of cooling and heating, when an input over-current (16.8A) is detected by checking the input current
value being detected by current transformer (CT) with the compressor running.
Malfunction Caused
Over-current due to compressor failure.
Over-current due to defective outdoor unit PCB.
Over-current due to defective inverter main circuit electrolytic capacitor.
Over-current due to excessive refrigerant.
Troubleshooting
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