What It Means
- Open or shorted DAS
Lennox Zone controller
Lennox Error Code 1110
Zone controller
Causes & actions from Lennox
How it shows
- harmony diagnostic led1234: 1110 (led1: on, led2: on, led3: on, led4: off)
If system is operating, system will be forced into central mode. The compressor will cycle from high to off in cooling. The compressor will cycle from high to off in heating. The furnace will operate normally in gas heat. Replace discharge probe. If error persists, replace zone control panel.
Applicable models & manual sources
- HARMONY III
Open or shorted DAS
HARMONY III, X9953
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.
