can a microwave oven overheat?

There are a couple of reasons why your microwave case feels warm during and after cooking. The biggest reason why the case heats up is that a lot of heat is generated by the magnetron. This becomes more noticeable the longer the duration of the cooking period. Another reason for the case to feel warm is that the food you're cooking radiates heat outward as it cooks. This extra heat should dissipate shortly after the microwave is turned off.

The fan cools down the magnetron and other electronic components. It is highly recommended that you do not run this appliance until the fan is fixed if the fan is not working anymore.

Most fans are relatively inexpensive to replace.

Do not use and get a new one for your own safety.

Popcorn and like everyone - we burnt it. Nothing better than the odor of popcorn popping. Nothing worse than the odor of burnt popcorn. We failed to try popping popcorn except - we replaced our microwave years later. Low and behold it came with a popcorn button. Been popping it in the microwave because that day ahead. Yum!! It does wonders with hot puppies and baked potatoes. Makes just right fudge too. I don't know why - however i'm nonetheless just a little leary about - how reliable are we - utilizing microwaves - particularly? We nonetheless use it - still surprise? DeeJay.

After you use the micro it is always going to be hot. Just like using a burner on the stove. If the micro smells hot and weird, the it is probably on its last leg and you need a new one. If it isn't cleaned after each use, it might smell weird.