What It Means
- BLOWER DIFFERENTIAL PRESSURE SENSOR ERROR
Lennox Unit controller
Lennox Error Code 244
Unit controller
Causes & actions from Lennox
How it shows
- M4 alarm code: 244
A and B Box units equipped with ‘E’ type DirectPlus blowers. - Blower differential pressure sensor error; replace sensor.
Applicable models & manual sources
- MODEL L - M4 UNIT CONTROLLER
BLOWER DIFFERENTIAL PRESSURE SENSOR ERROR
MODEL L - M4 UNIT CONTROLLER, M4 Unit Controller
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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