Error Code Flame LED Rapid Blink

Ruud UGRA-07EMAES Error Code Flame LED Rapid Blink: Flame LED Rapid Blink

TL;DR
The amber flame LED is blinking rapidly, indicating the control board is detecting flame when there should be none. This can indicate a stuck-open gas valve or a short in the flame sensing circuit.
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 Flame LED Rapid Blink Mean?

The amber flame LED is blinking rapidly, indicating the control board is detecting flame when there should be none. This can indicate a stuck-open gas valve or a short in the flame sensing circuit.

When to Call a Professional

Contact a licensed HVAC technician if:

Sources

  1. Rheem RGRA Series Installation Instructions (covers Ruud UGRA)