What It Means
- Relay “Y1” stuck on interated control.
Lennox Ducted Heating
Lennox Error Code E344
Ducted Heating:
Causes & actions from Lennox
How it shows
- Integrated control 7-segment display: E344
Replace integrated control.
Applicable models & manual sources
- SL297UHNV
Relay “Y1” stuck on interated control.
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.
