What It Means
- Pressure switch stuck closed prior to activation of Combustion Air Inducer
Lennox Ducted Heating
Lennox Error Code 11 Flashes
Ducted Heating:
Causes & actions from Lennox
How it shows
- Integrated control red LED: 11 Flashes
This manual entry does not list further causes or actions.
Applicable models & manual sources
- ML196UHE
Pressure switch stuck closed prior to activation of Combustion Air Inducer
Disclaimer: This information is for general reference. Code wording and instructions vary by model. Always follow the service manual for your exact unit.
What should you check next?
Continue in ACLogics with guided diagnosis for your equipment and symptoms.
