What It Means
- SYSTEM LOCKOUT. FAILURE TO DETECT OR SUSTAIN FLAME.
Lennox Ducted Heating
Lennox Error Code 2 FLASH
Ducted Heating:
Causes & actions from Lennox
How it shows
- ram diagnostic led: 2 FLASH
This manual entry does not list further causes or actions.
Applicable models & manual sources
- G24M
SYSTEM LOCKOUT. FAILURE TO DETECT OR SUSTAIN FLAME.
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.
