What does 448 mean?

Fan1 (typically an outdoor unit fan) has locked up or is unable to rotate freely, triggering an error code.

• Obstruction in fan blades (e.g., debris, ice)
• Faulty fan motor bearing, causing the motor to seize
• Foreign object interfering with fan rotation

Click steps to track your progress.

1. 1

   Power off the unit immediately at the main breaker.

2. 2

   Check Fan1 for any obstructions (debris, ice, leaves) preventing its rotation.

3. 3

   Gently attempt to spin the fan blades by hand (when power is off) to check for binding; if seized, contact support.