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Low grill temperature

Low grill temperature (250-300°F) — Grill does not heat sufficiently

Weber · Spirit Grills

What does Low grill temperature mean?

If the grill only reaches a low temperature range (250°-300°F) even when set to high, there may be a problem with gas flow or obstructions in the burner system.

Common Causes

  • Excess gas flow safety device activated
  • LP fuel tank is low or empty
  • Bent or kinked fuel hose
  • Dirty burner ports
  • Obstructed spider/insect screens

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Reset the excess gas flow safety device by turning off the LP tank valve and all burner control knobs, waiting five minutes, then restarting.

  2. 2

    Check if the LP fuel tank is low or empty and refill it if necessary.

  3. 3

    Inspect the fuel hose for any bends or kinks and straighten it carefully.

  4. 4

    Clean burner ports that run along the entire length of the burner tube.

  5. 5

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

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
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