F1 (2 LED flashes) - IPM protection triggered

What does F1 mean?

The outdoor unit's LED1 flashes twice, indicating that the Intelligent Power Module (IPM) is under protection due to an issue.

• Overcurrent condition
• Overheating of the IPM module
• Short circuit in the system
• Faulty IPM or outdoor PCB

Click steps to track your progress.

1. 1

   Turn off the AC unit from the main power supply for at least 10 minutes.

2. 2

   Ensure the outdoor unit has clear airflow around it and is not obstructed by debris or plants.

3. 3

   Restart the unit. If the fault persists, contact a qualified technician for professional diagnosis.