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Maytag over the range microwave vent fan won't turn off

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5 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 958 Answers

SOURCE: Maytag microwave mmv1153aaw

my guess would be the wave cover. sometimes they smoke and makes sparking sounds. does it still heat food?...if it does, then its not the magnetron.

Posted on Feb 18, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: vent fan high comes on automatically with cooking

Right, that would be MCO10UW and the owner's manual is here.

The owner's manual does say this, of course,

"To prevent overheating from taking place, the exhaust
fan is designed to automatically turn on at a low speed if
excessive temperatures occur. Should this happen, the
fan cannot be manually turned off, but it will
automatically turn off when the internal parts have
cooled. The fan may stay on for up to an hour after the
range and microwave oven controls have been turned
off."

That;'s standard on microwaves.

But these models do have a separate internal cooling fan (which should run any time you microwave) plus the hood vent exhaust fan, which should only run when you select it, or if there is an excessive stovetop or under-hood temperature.

So if it comes on whenever you microwave, that is incorrect.

When that happens, it's usually a defective vent thermal switch (a.k.a. hood TCO).

But since it's brand new, I would certainly contact Magic Chef about this. If it's in need of repair, they will fix it free, assuming the oven wasn't physically damaged.

For more help from Magic Chef / Ewave see here or their contact page.

For Magic Chef in Canada call 866.587.2002

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Posted on Jan 10, 2009

  • 574 Answers

SOURCE: Tappan over the range microwave - exhaust fan problems

most microwaves do not blow air out the bottom.They pull air from the bottom and blow it out the top.

Posted on Aug 31, 2009

BNUTZBCRAZY
  • 130 Answers

SOURCE: microwave not heating items, also range vent not operating

the unit inside the microwave that heats called the "magnetron" has gone bad or the circuits that power the magnetron and other parts of the unit have failed. if its under warranty still, send it back to the manufacturer. if not you can call some repair shops and see how much it would be to service it, but its most likely going to be cheaper to purchace a new microwave since they are relatively cheap these days, they dont make them long lasting anymore, they are a "disposable" product these days

Posted on Jan 15, 2010

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