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17.4.26    F97 (Compressor Overheating) 
Malfunction Decision Conditions 
•  During operation of cooling and heating, when compressor tank temperature data (112°C) is detected by the 
compressor tank temperature sensor. 
 
Malfunction Caused 
•  Faulty compressor tank temperature sensor 
•  2/3 way valve closed 
•  Refrigerant shortage (refrigerant leakage) 
•  Faulty outdoor unit PCB 
• Faulty compressor 
 
Troubleshooting