Lennox · Air Conditioning
The system has detected a low level of refrigerant. This can lead to reduced cooling or heating efficiency and potential system damage.
Click steps to track your progress.
Inspect the indoor and outdoor units for any visible signs of refrigerant leaks (oily residue).
Ensure the system was correctly charged with refrigerant during installation.
This condition usually requires a certified technician to find and repair leaks and recharge the system.