F1 (2 flashes) — IPM protection

What does F1 mean?

This error indicates that the Intelligent Power Module (IPM) has detected a protection event. This module manages power to components like the compressor.

• Faulty Power Module
• Refrigerant issues
• Electrical fault

Click steps to track your progress.

1. 1

   Turn off the power to the unit for at least 1 minute, then turn it back on.

2. 2

   Check for any obvious signs of damage to the outdoor unit.

3. 3

   If the error persists, a technician should inspect the Power Module and refrigerant levels.