CodeRegistry
Brands
  1. Home
  2. Weber
  3. Spirit Grills
  4. Uneven flame length
About·Privacy·Terms

CodeRegistry — Your global library for technical solutions.

For your safety: always follow the equipment manufacturer’s official manuals. CodeRegistry is an independent help site and is not affiliated with the brands listed here.

Uneven flame length

Flames do not run full length of burner tube — Uneven flame pattern

Weber · Spirit Grills

What does Uneven flame length mean?

If the flames do not extend consistently across the entire length of the burner tube, it indicates that some burner ports may be blocked or dirty.

Common Causes

  • Dirty burner ports
  • Obstructions inside the burner tube

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Clean burner ports that run down the entire length of the burner tube. Refer to the 'CLEANING THE BURNER TUBE PORTS' section.

  2. 2

    Inspect spider/insect screens for possible obstructions and clean them.

  3. 3

    Ensure no debris is obstructing gas flow to the burner tubes.

Browse all codes in this manual (18)
Verified technical data. Last updated: April 2026

Related Faults

Bubbles in soap solution (gas leak)Bubbles forming during leak check — Gas leak detectedBurner 1 fails to igniteBurner 1 fails to ignite within 5 seconds — Ignition failureBurners do not ignite (general)Burners do not ignite — Grill fails to light
Source: Weber Spirit Grills
Open Manual (Page 20)Search more codes in this manual