What It Means
- ID High Secondary (24VAC) Voltage
Lennox Equipment not specified
Lennox Equipment not specified Error Code 116
Equipment not specified:
Causes & actions from Lennox
How it shows
- iComfort S30 alert: 116
Priority condition: Service Soon • Thermostat will display this code when 24VAC power is high (18 to 30VAC). • Will display Furnace or Air Handler High Secondary (24VAC) voltage.
Applicable models & manual sources
- iComfort S30
ID High Secondary (24VAC) Voltage
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.
