Error 441 - Cooling mode restriction due to low air temperature

What does 441 mean?

The system has restricted cooling mode operation because the ambient air temperature is too low for efficient or safe cooling.

• Outdoor temperature falls below the operating limits for cooling mode
• Faulty outdoor temperature sensor providing incorrect readings

Click steps to track your progress.

1. 1

   Check the current outdoor ambient temperature; this is a normal protective measure at low temperatures.

2. 2

   Ensure the outdoor unit's temperature sensor is clean and unobstructed.

3. 3

   If the outdoor temperature is appropriate for cooling and the error persists, a technician may need to check the sensor.