Dacor Wall Oven C-20 Error Code
Current Dacor ovens flash C-20 when the oven sensor is open or shorted during operation; the manuals add no owner step.
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A Transitional double oven where the fan, the heat and the display each tell part of the story.
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This model is a 30″ double wall oven in the Transitional series. We do not record availability, so there is no statement about new sales. If you are comparing it with other units, begin with Dacor wall ovens.
Built-in ovens have a fan that moves air past the control area so the cabinet stays comfortable. Sometimes it keeps running long after cooking has ended. That can simply be the oven shedding stored heat, or it can hint at a fault. Our note on an oven cooling fan that keeps running explains how to tell the difference. Also covered is C-A2 as a cooling motor running abnormally, and the U60 and U61 codes as cooling fan failures at low and high speed.
With two cavities in one tower, a failure in one can be mistaken for a failure in both. Noting which oven you used, whether the other still heats, and how long the fan ran gives us direction before we arrive. If the fan seems loud, or the oven shuts down early, stop using that cavity until it is checked.
Anything beyond that, including panel removal, is for the technician.
Go to Dacor wall oven repair, mention the DOB30T977DS, and tell us which cavity gave trouble. The visit begins with diagnosis, ends with a written estimate, and no repair is done without your approval.
Gather the model label, a description of the sound or smell, and the time of day the fan seemed loudest. A short note about cabinets above or beside the oven helps too, since a crowded surround affects where heat goes. If the oven sits beside a refrigerator column or a tall pantry, mention it so the technician plans the clearance.
No. A fan often runs on after cooking to release heat, but constant or noisy running deserves a check.
It is listed under Transitional, as a 30-inch double wall oven.
It is the cooling motor running abnormally.
If it heats normally and shows no warning, that is reasonable, but report the other cavity so we can look at it.
You receive the written estimate after the diagnosis and tell us which items to go ahead with.
Model-information disclaimer. Confirm your exact model number and specifications with your appliance documentation before booking a repair. Model pages are for identification and compatibility reference.
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