What It Means
- Rollout CLOSED? NO: gas valve power OFF, combustion inducer power OFF, indoor blower OFF with delay; hold until rollout reset. LED1 ON AND LED2 SLOW flash.
Lennox Ducted Heating
Lennox Error Code LED #1 ON / LED #2 Slow Flash
Ducted Heating:
Causes & actions from Lennox
How it shows
- SureLight board LEDs (DS1/DS2): LED #1 ON / LED #2 Slow Flash (led1: on, led2: flashing (slow))
Rollout switch open. Gas valve power off, combustion air inducer power off, indoor blower off with delay. Sequence holds until rollout switch is reset.
Applicable models & manual sources
- G24M
Rollout CLOSED? NO: gas valve power OFF, combustion inducer power OFF, indoor blower OFF with delay; hold until rollout reset. LED1 ON AND LED2 SLOW flash.
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.
