Display 407 — Compressor Down due to High Pressure

What does 407 mean?

This error means the compressor has shut down because the system pressure has become too high.

• Blocked refrigerant lines
• Dirty condenser coils
• Overcharged refrigerant
• Faulty fan operation

Click steps to track your progress.

1. 1

   Ensure the outdoor unit's condenser coils are clean and free of debris.

2. 2

   Verify that the outdoor unit's fan is operating correctly.

3. 3

   Check that refrigerant lines are not kinked or blocked.

4. 4

   Contact a qualified HVAC technician to check refrigerant levels and system operation.