Older hotpoint oven gets to hot and burns food

Not sure how your oven works, but older ones had a "pre-heat" setting that you would use to get the oven to temp. This ran both the upper (broiler/grill) and lower elements at the same time to raise the heat quickly to temp. Once the oven is pre-heated, you would switch the selector to "bake" and that would only allow the lower element to work after that. If you failed to remove it from "pre-heat", it would use both and burn the food. Just saying.

If your oven is burning everything, it is getting too hot. Therefore the heater is working but the thing that measures the temperature is not. This is called the thermostat and there will be two types, one for each oven.
Google search for Hotpoint UY46 thermostat, there are plenty of suppliers. Make sure you get the correct one for the oven that is burning.
They are about 20-30 pounds to buy and generally easy to change. Just make sure the power is turned off before working on the oven and be careful of sharp edges as it is easy to get cut when removing panels.

Good luck.

The top of whatever food you're cooking should be in the center of the oven for the most effective cooking. Do you have the oven set on bake or broil? Broil is a direct heat method and if the food is on the lower shelf and the oven is set on broil, the food is not getting enough heat to cook it properly. Baking heats the lower element and the heat rises to surround the food. Broiling heats the top element and since heat rises, it is not getting down to the food to surround it and cook it.

the element is burned out, remove itand check it with a ohm meter. if it moves when you touch the leads to both sides its good if it don't its bad. ps i take them all the way out to check them. you must unplug the oven before repairs!

If it is heating, but not getting hot enough, then it is possible the thermostat is cutting the element off too soon, in this event, you will need to replace the thermostat.
If it is not heating at all , then the element is probably faulty.
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HI. the oven temp sensor is malfunctioning. have it inspected for damage. check the wires leading from the control to the sensor for cuts and damage as well. replace the sensor if these issues with heating persist.

check that the thermostat is working correctly.if food is cooking to quickly or burning then stat could be faulty

When the food you're baking is done on top but not on the bottom--or when baking just takes far too long to finish--the bake element may be burned out.

You may get fooled into thinking it's working, because the oven is hot inside. But many electric ovens use the broil element, too, during the preheat and bake cycles. So the food may be getting heated only by the broil element, which causes poor baking results.

If the bake element is burned out, replacing it should solve the problem. Otherwise, you need to further troubleshoot the oven's electrical system to locate the defective wire or component.

Hello, there is no fixing the thermostat although some of the older thermostats could be calibrated by using a very small flat head screwdriver in the shaft of the thermostat if there is no opening for a tiny screwdriver in the shaft then it cannot be calibrated. If you have to change the thermostat contact your local parts department have the model # handy if the original is not available ask about universal oven control replacement parts. Good Luck

Thermostat needs to be replaced.