What It Means
- GF Heat Airflow Below Min
Lennox Equipment not specified
Lennox Error Code 291
Equipment not specified:
Causes & actions from Lennox
How it shows
- iComfort S30 alert: 291
Priority condition: Service Urgent The heating airflow is below the minimum required level. The system will go into Watchguard mode. • Check for dirty air filter(s) and other air flow restrictions. • Check blower performance.
Applicable models & manual sources
- iComfort S30
GF Heat Airflow Below Min
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.
