Error 446 — Operation failure of Fan1

What does 446 mean?

The outdoor unit's Fan1 is not operating correctly or has completely failed. This fan is vital for dissipating heat from the condenser coil, and its failure can lead to system overheating.

• Faulty fan motor
• Power supply issue to the fan
• Fan blade obstruction (e.g., debris, ice)
• Control board error affecting fan operation

Click steps to track your progress.

1. 1

   Turn off the outdoor unit at the circuit breaker.

2. 2

   Visually inspect Fan1 for any obstructions (e.g., debris, leaves, ice) that might be preventing it from spinning.

3. 3

   Manually try to rotate the fan blades to check for any resistance or binding.

4. 4

   Check the electrical connections to the Fan1 motor for any looseness or damage.

5. 5

   If the fan still doesn't operate after these checks, the fan motor or its control module likely needs replacement by a technician.