What It Means
- Control Internal Communication Prob
Lennox Equipment not specified
Lennox Equipment not specified Error Code 126
Equipment not specified:
Causes & actions from Lennox
How it shows
- iComfort S30 alert: 126
Priority condition: Service Urgent There is an internal hardware problem on the system component control. In addition, if you have zoning the alert code is triggered when your zone temperature is deviating away from set point persistently. • Typically the system component control will reset itself. • Replace the system component (device) control if the problem prevents operation and is persistent.
Applicable models & manual sources
- iComfort S30
Control Internal Communication Prob
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.
