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Maureen Posted on Sep 22, 2019
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40 year old microwave started getting hot on outside

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Jem

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  • Expert 212 Answers
  • Posted on Sep 22, 2019
 Jem
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How hot is hot? If it is more than warm, It suggest the thermo coupler is malfunctioning I suggest you disconnect the item & replace with another microwave, you could be exposing yourself to some micro electro waves that are very bad to your health, please for safety do not continue to use this item, sorry I could be more helpful at least in a positive way, regards Jem

Testimonial: "I unplugged it after 40 years of service:( AMAZING that a JCPenny microwave (obviously well built) lasted SO long."

Terry

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  • Microwave Ovens Master 11,377 Answers
  • Posted on Sep 22, 2019
Terry
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Microwave museum could use it.

Testimonial: "You are correct! It has been an item of comment and amazement for MANY family gatherings..."that microwave is STILL working!!!".......until now...40...FORTY years later:)"

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4 Related Answers

jason

  • 905 Answers
  • Posted on Nov 10, 2008

SOURCE: would not heat, now outside gets hot

yes! , this is dangerous , be cause it sounds like the magnetron that sends out the microwaves may not be controlled , thus heating the outside and will be sending waves out of the microwave!
you will need a qualified electronic repair shop to deal with this, these microwaves are very dangerous and that unit should not be used untill it has been fixed , for the safety of you and anyone who uses or is around when in use.
these microwaves that are sent across the air to heat the food is burning it and it can do the same to you or any one who is around it while in use
even when in working normal conditions the waves still leak out some , so i always walk away when heating food in the microwave and i advise others to do the same
so the magnetron will need replaced and maybe another component but it needs to be tested to make sure nothing else is damaged also
hope my help has pleased you and that you can give me a fixya rating( all others hurt our rating) as i work on these and i know the symptoms that happen and the causes
again hope you can give me the fixya! , thanks , and if you need any other help, just ask me!

electech

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Purushotham Racharla

  • 25 Answers
  • Posted on Oct 17, 2009

SOURCE: my ifb microwave oven is getting hot outside while

Normally when u cook food in microwave the fod is cooked by microwaves, which means the heat is generated with in food. The temperature inside is never too hot and all the heat produced is absorbed with in the food.

On the other hand when the grill is switched on, a separate heatting element gets switched on. You can see this red hot element on the top side of inside of microwave. the heat from this element gets transferred to food through air circulation. But partof heat also gets transferred to the walls of microwave oven. This is the reason the wall feel hot during use of grill.

As i see ther is no problem with the microwave itself. Jut kep delicate thngs a bit away from the microwave.

Peter Hampton

  • 193 Answers
  • Posted on Apr 27, 2010

SOURCE: my emerson microwave which is about a year old

fan fail that cools the magnetron

2manyhobbies

Ross Metcalfe

  • 135 Answers
  • Posted on Jan 03, 2011

SOURCE: I have a Toshiba microwave

It may be leaking microwave radiation withing the cabinet.
It would probably be a prudent idea to replace this machine with a newer safer micro.

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