167 
18.4.29 F98 (Input Over Current Detection) 
Malfunction Decision Conditions 
  During operation of cooling and heating, when an input over-current (X value in Total Running Current Control) is 
detected by checking the input current value being detected by current transformer (CT) with the compressor 
running. 
 
Malfunction Caused 
  Excessive refrigerant. 
  Faulty outdoor unit PCB. 
 
Troubleshooting