What It Means
- STRIKE 3 HEAT 2 NO PROOF GV3
Lennox Unit controller
Lennox Error Code 69
Unit controller
Causes & actions from Lennox
How it shows
- M4 alarm code: 69
Check heat section 2 ignition control, flame roof, gas valve 2 and gas supply. Number of occurrences is reached.
Applicable models & manual sources
- MODEL L - M4 UNIT CONTROLLER
STRIKE 3 HEAT 2 NO PROOF GV3
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.
