Panasonic CU-XE12PKUA Air Conditioner User Manual


 
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15.4.24 F96 (IPM Overheating)
Malfunction Decision Conditions
During operating of cooling and heating, when IPM temperature data 212°F (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 194°F
(90°C) is detected by the heat sink temperature sensor.
Malfunction Caused
IPM overheats due to short circuit of hot discharge air flow.
IPM overheats due to defective of outdoor fan motor.
IPM overheats due to defective of internal circuitry of IPM.
IPM overheats due to defective IPM temperature sensor.
Multi Models Only
o Compressor OL connector poor contact.
o Compressor OL faulty.
Troubleshooting