C441 - Prohibit Operation Condition Error (Cooling)

What does C441 mean?

This error means the air conditioner cannot operate in cooling mode because the outdoor temperature is too low. It appears if the outdoor temperature is under -7°C (19.4°F).

• Outdoor temperature is under -7°C (19.4°F) while in cooling mode.
• Extreme environmental conditions preventing safe operation.

Click steps to track your progress.

1. 1

   Turn off the air conditioner at the main power supply for a few minutes.

2. 2

   Check the current temperature around the outdoor unit.

3. 3

   Restore power to the unit and try restarting it.

4. 4

   Wait until the outdoor temperature changes to within the normal operating range.