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14.4.22 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
Is outdoor fan motor operating?
When F96 indication ha
ens
For safety reason and to prevent component
breakdown, always switch off the power
before remove and connect the component.
Check the outdoor unit installation
condition (during cooling or soft-dry
o
Replace the outdoor fan motor.
NO
YES
Is there any improper heat radiation?
Defect in IPM
• Replace the outdoor unit PCB
Reinstall the outdoor unit
• Remove the obstacle(s)
• Clean the outdoor heat exchange
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