Dacor Rangetop IGN-FAIL Error: Burner ignition failure
Dacor rangetop error code ign-fail — essential information for Dacor appliance owners. This dacor rangetop ignition failure guide explains what this fault means for your Dacor appliance and how to respond safely. An ignition failure on a Dacor Heritage rangetop — where a sealed burner clicks continuously without producing a flame — is the most […]
~60%
DIY Fixable
From $225
Typical Repair Cost
45-90 min
Pro Repair Time
Quick Assessment
Answer to continue safely
Is it safe to keep using?
No. A burner that clicks continuously without lighting should not be left running — gas is flowing to the burner during the ignition attempt. Turn the knob off, ventilate the kitchen, and resolve the ignition fault before further use.
Can I reset the code?
No. Gas ignition faults have no electronic reset. The issue must be resolved physically through cleaning, cap realignment, or component replacement.
When to stop immediately?
Stop if you notice: Stop immediately and ventilate if you smell gas accumulating in the kitchen while the burner is clicking., Do not attempt ignition more than 3 times in a row if no flame appears — gas accumulation increases with each attempt..
Symptoms You May Notice
Burner clicks but produces no flame
Turning the burner knob triggers continuous clicking from the ignition module but the sealed burner does not light. The clicking stops only when the knob is returned to the off position.
Clicking on one burner triggers all igniters
The HRTP366S and HRTP486S share a common ignition module — activating one burner fires all spark electrodes simultaneously. If all burners fail to light, the module or gas supply is suspect rather than an individual electrode.
Burner lights with a match but not the igniter
Holding a lit match at the burner port while turning the knob to the on position causes the burner to ignite normally, confirming gas flow is present but the spark system has failed.
Weak or intermittent spark visible at electrode
An arc is present but it is orange, erratic, or very brief rather than a crisp blue spark — typical of a contaminated or damaged electrode tip on the sealed burner assembly.
Possible Causes
Grease and food debris on electrode or burner cap
The sealed burner design of the HRTP series makes it particularly susceptible to boil-over residue on the electrode tip and burner cap, which insulates the spark and prevents reliable ignition.
DIY PossibleMisaligned or damaged burner cap
A burner cap not seated correctly on the sealed burner base changes the electrode-to-cap gap and prevents consistent ignition. Physical damage to the cap edge also disrupts spark geometry.
DIY PossibleFailed spark electrode or ignition module
A cracked electrode ceramic insulator or a burned-out ignition module requires component replacement and cannot be resolved through cleaning alone.
Requires ProfessionalSafe Checks You Can Do
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1
Clean the burner cap and electrode thoroughly
Remove the cast-iron grate and lift off the burner cap. Using a soft brush and warm soapy water, scrub the electrode tip and the full underside of the burner cap to remove all grease and food residue. Rinse and dry completely — allow at least 30 minutes of air drying before testing.
The HRTP sealed burner caps are heavier cast pieces than typical cooktop caps — ensure they are fully dry before reassembly as moisture trapped underneath suppresses sparking.
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2
Reseat the burner cap level and centered
Place the burner cap back onto the burner base, ensuring it sits perfectly flat with the locating slots or alignment tabs properly engaged. Rock the cap gently — there should be no wobble. A misaligned cap is a frequent cause of ignition failure on the HRTP series.
On the HRTP486S with its larger 18,000 BTU burners, even slight misalignment significantly disrupts the spark arc.
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3
Inspect the electrode ceramic for cracks
With the burner cap removed, visually inspect the white ceramic portion of the electrode under good lighting. Look for hairline cracks running lengthwise along the insulator. A cracked insulator allows the spark to arc to ground before reaching the burner cap, causing ignition failure.
A magnifying glass helps identify fine hairline cracks in the ceramic that are not visible to the naked eye.
When to Call a Professional
Contact a qualified technician if:
- Electrode ceramic insulator is visibly cracked — electrode replacement required.
- Burner will not light with a match — gas valve or supply fault requires professional diagnosis.
- All 6 burners on the HRTP486S fail to ignite after thorough cleaning — ignition module replacement likely.
Need Professional Help?
Find qualified technicians in your area for proper diagnostics and repair.
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