Lennox · Air Conditioning
For ducted units only: The condensate drain system is overwhelmed or blocked, causing the water level to become too high. This is a safety measure to prevent water damage.
Click steps to track your progress.
Check the condensate drain line for any blockages (e.g., debris, algae).
If the unit has a condensate pump, ensure it is functioning correctly.
Clean the drain pan and line.
Ensure the drain line is properly sloped away from the unit.