Dacor cooktop burner won't ignite is a known issue affecting DTG36M955FS. Our technicians specialize in Dacor-specific diagnostics and repair.
Miele induction cooktop had two burners not responding in our Sunnyvale home. The tech replaced the power module and tested every zone — all five burners heat evenly again. Worth every penny.
“Dacor gas cooktop had a persistent gas smell even when all burners were off. The tech found a tiny leak at one of the burner valve connections. He tightened the fitting, tested with a gas detector,…”
Dacor cooktop burner won't ignite is typically caused by clogged igniter port or failed spark module. Dacor-specific factor: perma-flame re-ignition thermocouple response delay on heritage series causing flame dropouts during simmer-to-high transitions. Repair costs $80-$250 with free diagnostic and 90-day warranty.
Perma-Flame re-ignition thermocouple response delay on Heritage series causing flame dropouts during simmer-to-high transitions
Illumina backlit control knob encoder dial skipping positions, jumping past the ignition detent during initial turn
SimmerSear 18,000 BTU dual-ring burner inner ring flame extinguishing from gas orifice partial blockage by boilover residue
Spark module ignition circuit failure on individual burner zones — Dacor Heritage uses per-burner spark electrodes
LP conversion kit regulator pressure creep on Heritage gas cooktops causing progressively higher flame output and eventual ignition instability
Other Dacor models may also be affected. Book a free diagnostic for confirmation.
Bay Area Dacor cooktop ignition issues in Peninsula homes often trace to low natural gas supply pressure during peak winter heating — a 48-inch Heritage rangetop drawing 90,000+ BTU total competes with the furnace, dropping manifold pressure below the Dacor minimum. The technician tests gas pressure under full-load conditions (all burners plus furnace running) to reproduce intermittent ignition failures.
Check Perma-Flame thermocouple position relative to the flame ring — drift of 2mm causes the safety valve to cut gas; reposition to factory specification
Test each Illumina control knob encoder by rotating slowly through all positions — skipping past ignition detent indicates encoder replacement needed
Remove SimmerSear burner caps and inspect both inner and outer ring orifices — use a needle probe to clear the 1mm inner ring ports
Measure gas supply pressure at the manifold test port with all burners running — Dacor requires minimum 4 inches WC for natural gas under full load
The technician removes each burner assembly to inspect the Perma-Flame thermocouple position and the SimmerSear dual-ring orifices. Inner ring ports are cleaned with a calibrated needle probe to restore full flame pattern. Illumina encoder replacement requires removing the knob assembly from the front panel and transferring the LED ring to the new encoder unit. LP conversion pressure creep is corrected by replacing the regulator assembly and re-certifying the gas pressure at all burner positions.
| Diagnostic | Free |
| Typical repair | $80–$250 |
| Repair time | 45 min-1.5 hours |
| Warranty | 90 days parts + labor |
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Verified reviews from homeowners across San Francisco and Bay Area
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Refrigerator Repair
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“Finding someone experienced with Sub-Zero was tough until I found this company. Our 15-year-old Sub-Zero was running constantly and not cooling. The tech cleaned the condenser, replaced the fan motor, and it's been running like new. Worth every penny of the $450 repair — a new Sub-Zero is $12,000+.”
James C.
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