What It Means
- PA Filter Calibration Failure
Lennox Equipment not specified
Lennox Error Code 507
Equipment not specified:
Causes & actions from Lennox
How it shows
- iComfort S30 alert: 507
Priority condition: Service Soon • Filter calibration determined failed due to all test cfm static pressures reading <= 7 Pa. • Send alert code immediately. • No filter tests or life calculation occur while this alert code is active.
Applicable models & manual sources
- iComfort S30
PA Filter Calibration Failure
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.
