Error Code Ground Not Detected
Lennox EL296UHV Error Code Ground Not Detected: Ground Not Detected
TL;DR
The furnace control has not detected a proper earth ground connection. The system will shut down until proper grounding is provided. Disclaimer
This article is for informational purposes only and does not guarantee the accuracy or completeness of the information provided. Always turn off power and gas supply before attempting any repairs. If you smell gas, leave immediately and call your gas company. Consult a licensed HVAC technician for diagnosis and repair. Any actions taken based on this information are at your own risk. What Does Code Ground Not Detected Mean?
The furnace control has not detected a proper earth ground connection. The system will shut down until proper grounding is provided.
When to Call a Professional
Contact a licensed HVAC technician if:
- Basic troubleshooting did not resolve the error
- You smell gas at any point during the process
- You are not comfortable working around gas lines or electrical components
- The unit needs a gas valve, control board, or motor replacement