What It Means
- GF Gas Valve 2nd Stage Relay Fault
Lennox Equipment not specified
Lennox Equipment not specified Error Code 206
Equipment not specified:
Causes & actions from Lennox
How it shows
- iComfort S30 alert: 206
Priority condition: Service Soon The furnace gas valve second-stage relay is faulty. • Furnace will operate on first-stage for the remainder of the heating demand. • If unable to operate second-stage, replace furnace control.
Applicable models & manual sources
- iComfort S30
GF Gas Valve 2nd Stage Relay Fault
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.
