Had it set on cook for 75 minutes instead of timer. It is now dead. No smell or noise.Can it be fixed? Is it worth a fix?

Then replace a thermal cutoff

Not a feature I've heard of.

I would do a hard reset by unplugging the oven for a minute or two, setting the clock, then trying again.

If it still does this, I would contact Maytag customer service at the number in the owner's manual.

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Hello Davisaroundt, we are sorry to hear about your Microwave not powering on. If you would like for us to schedule service for you, then can you please email your address, phone number, the model and serial number, the website you were contacted on, Fixya, your review ID, and date of purchase to [email protected]?

If you ran it for that long with nothing inside, there is a good chance it self cooked.

It can probably be repaired. The economics of the repair is something you will have to judge for yourself.

To assist you, may i suggest you visit www.repairclinic.com and check on some major parts for your make and model. If the parts = more than 25% of replacement, I think id be moving on. Expect to pay a pro at least $100.00/hr labor. You should NOT do it unless you are skilled at handling delicate and lethal electronics. A microwave can kill. Another thing, after you fix it, you have a lot of $ invested and still have a old machine that ran for 13 + minutes empty.

Absolutely not worth fixing as a brand new one with lots of features can now be purchased for as little as fifty dollars.

It sounds like either your inverter is producing too high a voltage, or your magnetron may be damaged, causing it to overcook. In either case, it definitely needs professional attention. There are very high voltages involved. Since it's out of warranty, the repair charges would likely run about $75-90 labor for in-home service (less if you carry it in) and about $40-75 for parts depending on which is bad. If you run into a technician who can repair the inverter instead of just swapping it, you might save a bit.