F5 — Outdoor unit fan speed error

What does F5 mean?

The system is reporting an issue with the speed control of the outdoor unit's fan. The fan may not be running at the correct speed or may not be running at all.

• Outdoor fan motor malfunction
• Problem with the fan speed control circuitry
• Obstruction preventing the fan from spinning

Click steps to track your progress.

1. 1

   Ensure there are no obstructions around the outdoor unit fan.

2. 2

   Listen for the fan to operate when the unit is running.

3. 3

   If the fan is not running or is running at an incorrect speed, the fan motor or its control may need servicing.

4. 4

   Check electrical connections to the fan motor.