What It Means
- Zone air jumper not selected
Lennox Zone controller
Lennox Error Code 0110
Zone controller
Causes & actions from Lennox
How it shows
- harmony diagnostic led1234: 0110 (led1: off, led2: on, led3: on, led4: off)
Air selected for fewer than two zones. No air is selected for zone 1 or, 3. If a zone air selection jumper is left off of a zone that issues a heat or cool demand. In this case the system will assume that a PIAB of 100 is required to service the zone. Make a zone air jumper selection. If jumpers are in place, replace the zone control panel.
Applicable models & manual sources
- HARMONY III
Zone air jumper not selected
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?
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