Lennox Select Equipment
Lennox Error Code 2 Flashes
2 Flashes means different things on different Lennox equipment. Choose the equipment you are working on.
Disclaimer: This information is for general reference. Code wording and instructions vary by model. Always refer to your unit's service manual.
What does it mean? Select your equipment
- Ducted Heating Unit heater (indoor) Pressure switch closed with combustion air inducer de-energized.Improper earth groundLoss of Flame Sensed (More Than 3 Trials for Ignition) + 2 more readings->
- Packaged Unit Packaged HVAC (outdoor) Limit Switch open or opened multiple times during one heating demand->
What should you check next?
Continue in ACLogics with guided diagnosis for your equipment and symptoms.
