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 118

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118 
17.4.25 F96 (IPM Overheating) 
Malfunction Decision Conditions 
š  During operating of cooling and heating, when IPM temperature data (100°C) is detected by the IPM temperature 
sensor. 
Multi Models only 
o
  Compressor Overheating: During operation of cooling and heating, when the compressor OL is activated. 
o
  Heat Sink Overheating: During operation of cooling and heating, when heat sink temperature data (90°C) is 
detected by the heat sink temperature sensor. 
 
Malfunction Caused 
š  IPM overheats due to short circuit of hot discharge air flow. 
š  IPM overheats due to defective of outdoor fan motor. 
š  IPM overheats due to defective of internal circuitry of IPM. 
š  IPM overheats due to defective IPM temperature sensor. 
Multi Models Only 
o
  Compressor OL connector poor contact. 
o
 Compressor 
OL 
faulty. 
 
Troubleshooting 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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