CS-MZ20UD3EA - Panasonic Air Conditioner Service Manual (repair manual). Page 95

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95 
16.4.27 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 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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