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No Heating In Microwave Oven Repaired

By on April 29, 2021
No Heating In Microwave Oven Repaired

A guy who owns a repair shop brought me this microwave oven for repair. The device has an issue with heating and when the heating cycle is done, there is no ending ding sound to it.

how to fix microwave oven no heating

The first thing to check was the heating parts which are the Magnetron, the capacitor and fuse in that area. I went over them one by one and to my surprise, all of them checked fine.

All these parts checked fine that means one thing, these part were not getting any power to go through the heating process and that brought to my attention the ding sound part at the end of the heating process. Usually when the heating process is done, there should be a ding sound to tell the operator that the process is done but there was none.

no heating in microwave oven repair

Since this power/timer button is mechanical, my focus was set on it and right away I found the problem.

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When turning the dial, I was not getting any ohms reading on the in and out pins of the power/timer button and when I move the button  all the way back, I do not hear the ding sound.

ding sound from microwave oven

I have the same exact part in my shop and right away I replaced it and tested out the microwave oven.

microwave oven fix

That is the whole part that I have to take out of its housing then replacing with the used working part. This part includes the power/timer button and on top the heat level button.

how to fix a broken microwave oven no heating symptom

As you can see, that is a perfect fit for the replaced part and now for the moment of truth, I powered the microwave oven and tested it out. The device preformed as expected, the heating was fine and at the end of the heating process, I could hear the ding sound and that was music to my ears.



Mission Accomplished.

This article was prepared for you by Waleed Rishmawi, one of our ‘Master Authors’ and currently working in the Bethlehem area of Palestine repairing electrical and electronic equipment.

P.S- Do you know of any your friends who would benefit from this content that you are reading now? If so, forward this website to your friends or you can invite your friends to subscribe to my newsletter for free in this Link.

Note: You can check his previous repair articles in the link below:

https://jestineyong.com/power-supply-for-a-pool-lights-repaired/

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8 Comments

  1. Parasuraman S

    April 29, 2021 at 2:12 pm

    Ding Dong Bell, Pussy's in the well, who took her out, Waleed Rishmawi the great! Well done!

    Likes(2)Dislikes(0)
    • Waleed Rishmawi

      April 30, 2021 at 5:06 pm

      Parasuraman: thanks man although i do not get the first part of the comment.LOL. have a blessed day

      Likes(0)Dislikes(0)
  2. Albert van Bemmelen

    April 29, 2021 at 3:20 pm

    Good job, and of course you had that exact part in you store! (lol)
    Maybe in a couple of years our microwave oven will have a voice that tells us that his ding dong or what ever other part in its circuit is defect? Or maybe even its internet connection will give answers to any problem by then?

    Likes(5)Dislikes(0)
    • Waleed Rishmawi

      April 30, 2021 at 5:09 pm

      Albert: thanks man. yes microwave and welding machines parts usually I have plenty of in the shop. the ding sound is just made of metal and a hammer hitting it at the end of the cooking cycle...LOL
      have a blessed day

      Likes(0)Dislikes(0)
  3. Humberto

    April 29, 2021 at 10:45 pm

    The MicroWave got fixed finally. Satisfactory repair

    Likes(0)Dislikes(0)
    • Waleed Rishmawi

      April 30, 2021 at 5:09 pm

      Humberto: yes it was fixed but any easy one. have a blessed day

      Likes(0)Dislikes(0)
  4. Yogesh Panchal

    April 30, 2021 at 3:16 pm

    Good Job!Waleed,
    just want to know part you replaced what is the function and how it works??

    Likes(0)Dislikes(0)
    • Waleed Rishmawi

      April 30, 2021 at 8:50 pm

      Yogesh: they are two dial switches; one controls the temperature and the other one is a timer. Have a good day

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