Lennox Select Equipment
Lennox Error Code d
d means different things on different Lennox equipment. Choose the equipment you are working on.
Disclaimer: This information is for general reference. Code wording and instructions vary by model. Always refer to your unit's service manual.
What does it mean? Select your equipment
- Ducted Heating Gas furnace (indoor) Dehumidification mode (1 second ON) / 1 second OFF) / cfm setting displayed / Pause / Repeat Codes).Dehumidification mode (1 second ON, 1 second OFF) / Pause / Repeat Codes).Cooling stage (1 second ON, 0.5 second OFF) / 1 or 2 displayed / Pause / cfm setting displayed / Pause / Repeat codes).->
- Split & Multi-Split Air handler (indoor) Dehumidification mode (1 second ON) / 1 second OFF) / cfm setting displayed / Pause / Repeat Codes)Dehumidification mode (unit in dehumidification mode only)->
What should you check next?
Continue in ACLogics with guided diagnosis for your equipment and symptoms.
