CS-E7PKDW, CS-E9PKDW, CS-E12PKDW, CS-E15PKDW, CS-E18PKDW, CS-E24PKDW, CU-E7PKD, CU-E9PKD, CU-E12PKD, CU-E15PKD, CU-E18PKD, CU-E24PKD - Panasonic Air Conditioner Service Manual (repair manual). Page 119

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119 
17.4.26  F97 (Compressor Overheating) 
Malfunction Decision Conditions 
š  During operation of cooling and heating, when compressor tank temperature data (112°C) is detected by the 
compressor tank temperature sensor. 
 
Malfunction Caused 
š  Faulty compressor tank temperature sensor 
š  2/3 way valve closed 
š Refrigerant 
shortage 
(refrigerant leakage) 
š  Faulty outdoor unit PCB 
š Faulty 
compressor 
 
Troubleshooting 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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