F1 / Outdoor LED1 flashes 2 times — IPM protection

What does F1 mean?

The Intelligent Power Module (IPM) has activated its protection function, usually due to abnormal operating conditions within the power supply circuit.

• Power module issue
• Refrigerant issue

Click steps to track your progress.

1. 1

   Turn off the air conditioner at the main power switch or circuit breaker.

2. 2

   Wait for at least 5 minutes before turning the power back on.

3. 3

   Ensure the outdoor unit has proper ventilation and is not obstructed by debris.

4. 4

   If the fault persists, contact a qualified technician.