Lennox Equipment not specified

Lennox Error Code 507

Equipment not specified:

What It Means

  • PA Filter Calibration Failure

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
Disclaimer: This information is for general reference. Code wording and instructions vary by model. Always follow the service manual for your exact unit.

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