Question about KitchenAid KHMS155LSS 1000 Watts Microwave Oven

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Microwave hums Microwave does not heat and hums, but plate turnes and lights and timer work

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  • mharris0912 Feb 11, 2009

    Yea, same issue. A technician will look at it but my personal guess is that it is a circuitboard issue.

  • lml2000 Mar 08, 2009

    Without warning, heard large crack sound after putting in microwave safe dish with pasta. When attempted to reheat, sound was more of humming, & no heating was taking place.



    Definitely need service, but question is can unit be repaired w/o pulling out from wall, as have granite siding below unit that prevents easy & quick removal from wall.

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  • Master
  • 1,214 Answers

Microwave not heating problems when the timer/controller board appears to function properly, are related to the following components -

1) Diode
2) Capacitor
3) Transformer
4) Magnetron

Posted on Jan 24, 2009

3 Suggested Answers

  • 60 Answers

SOURCE: Microwave lights up plate turns something hums

Sounds pretty normal but the inside is not supposed to get hot - only the food is.

Try heating a half glass of water for 1 minute if it gets hot... its working - if not then the actual microwave generating device inside has probably died.
In that case buy a new microwave oven as the cost of parts and labour to repair is usually more than cost of buying a new one.,

Posted on Jun 09, 2010

heatman101
  • 43501 Answers

SOURCE: Microwave Model JVM 1870 stopped heating, all else works (timer)

Hi,
Here is a tip that will help you to figure out what is wrong with yourMicrowave Oven....

Microwave Oven Basic Troubleshooting Tips

heatman101

ggk

Posted on Sep 30, 2010

6ya6ya
  • 2 Answers

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

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
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goodluck!

Posted on Jan 02, 2017

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Runs but has loud humming sound. Does not heat. Turntable, timer and lights work.


The diode that connects to the capacitor needs to be replaced. Once its replaced microwave will begin to heat again. (If it wasn't heating and wasn't making a humming noise, then your magnetron would need to be replaced). If you are thinking of doing it yourself and need instructions, i'll be glad to help.

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Microwave lights up plate turns something hums inside but the inside of the microwave never produces heat.


Sounds pretty normal but the inside is not supposed to get hot - only the food is.

Try heating a half glass of water for 1 minute if it gets hot... its working - if not then the actual microwave generating device inside has probably died.
In that case buy a new microwave oven as the cost of parts and labour to repair is usually more than cost of buying a new one.,

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Food won't heat up


Hello, I had the same problem, and just fixed mine. Start by turning on your microwave (on mine, the light turned on and timer worked, but the fan nor the plate turned)... push the door upward and see if the microwave turns on... (mine did). so far so good. open the door and take the upper hinge cap off with flat head screwdrive. take the door off and place a small washer on the bottom hinge, put the door back on. your microwave should be good now. essentially, the door just needs to be pushed up a bit so it will work.
good luck, hope that works for you...

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Microwave Model JVM 1870 stopped heating, all else works (timer)


Hi,
Here is a tip that will help you to figure out what is wrong with yourMicrowave Oven....

Microwave Oven Basic Troubleshooting Tips

heatman101

ggk

Nov 29, 2009 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

Hums, does not heat when started. Display, timer,


The problem could be the high voltage fuse or the magnatron assembly. replace both to be safe. good luck.

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