What It Means
- Circuit board failure or control wired incorrectly. Check 24-volt and 115-volt connections to board.
Lennox Ducted Heating
Lennox Error Code DS1 ON, DS2 OFF
Ducted Heating:
Causes & actions from Lennox
How it shows
- g51mp surelight ds1 ds2 led: DS1 ON, DS2 OFF (ds1: on, ds2: off)
This manual entry does not list further causes or actions.
Applicable models & manual sources
- G51MP
Circuit board failure or control wired incorrectly. Check 24−volt and 115−volt connections to board.
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.
