Error Code RED 1 FLASH

Goodman GMEC960803BN Error Code RED 1 FLASH: Flame sensed when no flame should be present

TL;DR
Flame sensed when no flame should be present
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 RED 1 FLASH Mean?

Flame sensed when no flame should be present

Common Causes

Cause Likelihood DIY?
Gas valve stuck open Most common ✗ Call a pro →
Improper wiring to gas valve Common ✗ Call a pro →
Shorted flame rod or wire Common ✗ Call a pro →

When to Call a Professional

Contact a licensed HVAC technician if:

Sources

  1. Goodman GMEC96 Service Instructions Manual - Two Stage Furnace with Multi-Speed ECM Motor