Kitchenaid oven stops heating

The top oven not maintaining heat why plenty of reasons depending on age could be a weak ignitor, bad temp sensor, is the oven light on if so oven stops heating after 30 seconds any oven maintaining set point temp will brown and if left long enough burn

You may have a blown thermal fuse in series with the heating elements. If the oven exceeded the maximum allowable temperature during self-clean, the fuse will open. See this discussion:
Oven Failure After Self Clean and F1 Errors

You're actually referring to the "broiler" elements. Most electric ovens have these at the top of the main oven space. (Some gas ovens are set up the same way, but many put the broiler elements in a bottom drawer.)

As their name implies, broiler elements are active only when you're broiling. They will not go on for baking.

Broiling is the process of cooking food by exposing it directly to a high heat source at close range. To broil a steak, for example, you would place the pan holding the steak on an oven rack raised to the top or next to top position in the oven (consult the manual) and set the oven to broil. The top elements will then turn on and cook the meat by direct radiation.

Most people, however, use ovens for baking far more often than for broiling. Baking is the process of cooking food (cakes, casseroles, roasts etc) by indirect heat. In other words you raise the oven to a certain temperature, put the food on a rack more in the middle of the oven, and let the surrounding heat cook it over time. When you bake the top broiler elements usually don't come on at all.

I hope this helps.

I am a bit late on this question, but just ended up in a rabbit hole of unanswered Kitchenaid questions

The self cleaning features only serves to keep manufacturers in steady sales of parts. Quite simply the oven can only take those temperatures a few times until they break. The heat burns out elements, damages fans, door locks and worst of all damages control boards which are not far enough from the heat source. You problem sounds like the walls of the oven have buckled in the heat so the racks no longer fit. Too late now, but you should have taken Kitchenaid to court, the oven was not fit for purpose under the description they used to sell it to you.

Never use the self cleaning feature as stated here

https://www.google.com/search?q=self-cleaning+oven+temperature

Never Ever use the self clean feature. We see damage here every couple of weeks. The worst was a burned control board on an oven that all parts were obsolete, so the self clean cost a thousand bucks!

Self-cleaning ovens bring the heat so you don't have to spend hours scrubbing. Traditional self-cleaning cycles heat the oven between 800°F and 900°F, helping turn soil and spills to a powdery ash you can then wipe away. They utilize only heat-no chemicals-and are built to withstand high temperatures. (Says Maytag who love selling elements, door locks and other parts),

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Hi,
Here is a tip that will help you to figure out what is wrong with yourMicrowave Oven....

Microwave Oven Basic Troubleshooting Tips

heatman101

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it may hav over heated and caused the one time safty on back of oven to trip . replace safty and it should work . ps some times if it has a cooling fan the fan may have quit causing this problem . when the saftey failes look for the cause .. it will do it again . and the safty is about 30 .00 .. mm

The flame went out.  Move the oven control back to where it sounds like it is lighting.  After it clicks a few times and sounds like you have a flame set your temperature again.

There is a thermal fuse inside the rear panel of the oven that frequently blows when using self clean option. This is where I would start looking.

Heating element

This sounds like a blown thermal fuse, a common problem. What model oven was this?