F22 - IPM (power transistor) overheating protection

¿Qué significa F22 ?

The IPM (Intelligent Power Module) has overheated. This has occurred 3 times within 30 minutes. The OFF/ON LED will blink.

• Improper heat exchange
• IPM (Power transistor) fault

Haga clic en los pasos para seguir su progreso.

1. 1

   Ensure proper airflow and heat exchange within the unit.

2. 2

   Check the IPM for signs of overheating or damage.

3. 3

   Contact a qualified installer or service technician for diagnosis and replacement of the IPM.