What It Means
- STRIKE 3 ON BLOWER NO AIRFLOW
Lennox Unit controller
Lennox Unit controller Error Code 8
Unit controller
Causes & actions from Lennox
How it shows
- M4 alarm code: 8
Lockout is active with multiple alarm code 5 detected. Alarm can be manually cleared through the user interface. Check blower operation. Once problem is corrected, lockout alarm can be cleared by resetting the CORE Unit Controller.
Applicable models & manual sources
- MODEL L - M4 UNIT CONTROLLER
STRIKE 3 ON BLOWER NO AIRFLOW
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.
What should you check next?
Continue in ACLogics with guided diagnosis for your equipment and symptoms.
