What It Means
- Low Secondary (24VAC) Voltage
Lennox Equipment not specified
Lennox Error Code 115
Equipment not specified:
Causes & actions from Lennox
How it shows
- iComfort S30 alert: 115
Priority condition: Service Urgent 24VAC power to a system component control is lower than the required range of 18 to 30VAC. • Check and correct voltage. • Check for additional power-robbing system components (devices) connected to system. • This alert code may require the installation of an additional or larger VA transformer. • Damper control module will operate in non-zone mode until proper voltage is restored.
Applicable models & manual sources
- iComfort S30
Low 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.
