Bosch HGS8655UC 800 Series 36 in Gas Cooktop Gas Smell Error Fix: Gas Odor Without Burner On

Error code Gas Smell on the Bosch HGS8655UC 800 Series 36 in Gas Cooktop means: Gas Odor Without Burner On. A gas odor is detected when no burners are in use. This is a safety concern — any gas odor should be investigated immediately. Do not use electrical switches or create sparks. Open windows for ventilation. Check all burner knobs to ensure they are in the OFF position. If the smell persists, turn off the gas supply at the shutoff valve and contact your gas utility or a qualified service technician. A gas leak could originate from a burner valve, gas supply line connection, or the regulator. Do not attempt to repair gas leaks yourself unless qualified.

The most successful fix is "Inspect and Replace Faulty Gas Valve or Supply Line" (hard difficulty, ~120 minutes). Estimated DIY cost: $30-$60. HomeMD has 2 community-ranked fixes for this error.

This error is rated critical severity. It is generally not urgent and can often be resolved with a simple DIY fix.

Yes — the top-ranked community fix ("Inspect and Replace Faulty Gas Valve or Supply Line") is rated hard difficulty and takes about 120 minutes. Tools needed: Adjustable wrench, Nut driver set, Soap water solution, Leak detector spray.

DIY cost: $30-$60. Professional repair typically costs $300-$500. Many homeowners save money by trying the top-ranked community fix first.

The Bosch HGS8655UC 800 Series 36 in Gas Cooktop has 5 other known error codes, including: Click No Ignite (Igniters Click But No Flame), Continuous Click (Igniters Click Continuously When Off), Uneven Flame (Uneven or Yellow/Orange Flame), Weak Flame (Low or Weak Burner Flame), Won't Ignite (Burner Will Not Ignite).

Error code Gas Smell also appears on 1 other Bosch model: HGS8045UC 800 Series 30 in 5-Burner Gas Cooktop. The fix may vary by model, so check each model's specific page for tailored repair steps.