What Convection Not Heating means on your Dacor microwave (dacor microwave convection element not heating)
Dacor assigns no code to this on a microwave, which is why this reads as a symptom and not as a decode. Combination microwave-convection models add a separate heating element and fan used only in convection or combination modes, entirely apart from the magnetron used for microwave cooking — a unit that microwaves normally but will not brown or bake in convection mode has a problem isolated to that second heating system.
Symptoms
The point of the list below is to stop you replacing the wrong part of a microwave, because Convection Not Heating imitates other Dacor microwave problems closely.
- Standard microwave cooking (reheating, defrost) works completely normally.
- Convection or combination-mode cycles run for the full time but food does not brown or bake as expected.
- The convection fan may or may not be heard running during the affected cycle.
- The interior does not feel noticeably hot to the touch after a convection cycle that should have heated it.
Common causes
None of these causes is exotic, but they are not equally likely on a microwave, so work down them in this order on your Dacor microwave.
- Failed convection heating element — the element itself no longer heats even though the cycle runs to completion.
- Failed convection fan motor — some designs will not activate the element at all if the circulating fan is not confirmed running.
- Faulty temperature sensor — an inaccurate reading can cause the control board to limit or skip heating.
- Relay or control board failure — the board is not sending power to the element circuit even though the mode is selected correctly.
Troubleshooting steps you can try
Go down the list on your microwave and stop at the first step that makes you uneasy — a Dacor microwave is not worth an injury.
- Confirm standard microwave cooking still works, to isolate the problem to convection mode specifically.
- Listen for the convection fan running during a convection cycle.
- Feel whether the cavity is warm at all after a convection cycle, even if not hot enough.
- Avoid running repeated convection cycles hoping the element will start working, since a failed element will not self-correct.
- Book a technician, since accessing and testing the convection element and relay requires opening the appliance.
Parts a technician may replace
A technician will work through the convection heating element, convection fan motor, temperature sensor, and relay board on your microwave. Genuine OEM or trusted-supplier parts are matched to the microwave by model and serial number rather than fitted to a microwave on spec.
When to call a technician
A technician tests the convection element, fan interlock, and relay together, since any one of the three failing can produce the identical symptom. This is rated Medium severity, so there is no emergency on the microwave — but if Convection Not Heating keeps returning to the microwave, have the cause confirmed before a part is bought. The technicians who will see your microwave are ours, not Dacor’s, and their labor is covered for 30 days.
Related help and Dacor resources
Still seeing the Convection Not Heating condition on the microwave? Schedule a microwave visit, or work through our other microwave problem pages. www.dacor.com has the factory data for your microwave.
