What It Means
- Normal operation
Lennox Zone controller
Lennox Zone controller Error Code 0000
Zone controller
Causes & actions from Lennox
How it shows
- harmony diagnostic led1234: 0000 (led1: off, led2: off, led3: off, led4: off)
No remedial action required.
Applicable models & manual sources
- HARMONY III
Normal operation
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.
