Panasonic CS-S9MKQ Service Manual page 110

15.4.22 F96 (IPM Overheating)
Malfunction Decision Conditions
During operating of cooling and heating, when IPM temperature data (100°C) is detected by the IPM 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.
Troubleshooting
110