What It Means
- Twin Communication Fault
Lennox Ducted Heating
Lennox Error Code E106
Ducted Heating: Gas furnace (indoor)
Causes & actions from Lennox
How it shows
- Integrated control 7-segment display: E106
This may indicate: 1) The power is removed from one furnace and not the other or/and 2) The 24 VAC supply to the twins are not in phase
Applicable models & manual sources
- EL195UHNEK
Twin Communication Fault
EL195UHNEK, EL195UHNEK-01, EL195UHNEK-02
- EL196UHEK
Twin Communication Fault
- ML180UHVK
Twin Communication Fault
- ML193DFEK
Twin Communication Fault
- ML196UHEK
Twin Communication Fault
- ML196UHEK
Twin Communication 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.
