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Stuck with DEFY Microwave Magnetron Removal?

Hi. The DEFY DMO367 MWM 2030W microwave oven's magnetron needs renewal. I have got as far as removing the right-hand mounting hex/star screw and the top domed star screw that secures the light cover. The 700W magnetron is half loose on R/H side, but left still stuck. I suspect the mag left may have another screw hidden under the light cover, the problem being a very tight star domed screw under the magnetron holding light cover, which won't come loose. Previous covers have always just unhooked from bottom once top is loosened. Anybody worked on this before? Thanks, Clive.

Posted by Clive on

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1 Answer

Marvin

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  • Microwave Ovens Master
  • 85,241 Answers

It is cheaper to just replace the oven.

Posted on Jul 17, 2018

Testimonial: "Thanks. I'll compare the cost of a magnetron & diode (About R800) against my almost new Micro (R1400). As per my target question re removing the stuck screw, another forum suggested 'shocking' it loose with a chisel-tap or heatgun."

  • 1 more comment 
  • Clive
    Clive Jul 19, 2018

    PS- I inspected under the lightbox using a webcam as a 'scope'. There is a screw holding the left wing.

  • Marvin
    Marvin Jul 20, 2018

    What currency "R" India?

  • Clive
    Clive Jul 22, 2018

    ZAR. South African Rand. Bought new magnetron and HV diode from electrical supplier for R350 both. Micro working again.

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5 Related Answers

ZZ10952

  • 17 Answers

SOURCE: Microwave Magnetron tube has arced

REPLCE THE MAG TUBE AND ***

Posted on Feb 08, 2009

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Anonymous

  • 276 Answers

SOURCE: Paint damaged in side microwave oven

1) How is the cavity damaged? Is it just peeling paint, or is it rust? If it's rust then the microwave could be dangerous.

2) The antenna cap usually has a small hole in the centre, but if there are any other holes in it the magnetron itself could be damaged, and holes caused by the magnetrin arcing.

Posted on Mar 25, 2009

Anonymous

  • 744 Answers

SOURCE: Were are the magnetron ???

HI,
this will require the skilled hands of a qualified tech. the damaged part here is the Magnetron assembly. this is a very sensitive part that creates radiation and the heating process as well. you will need to replace this device asap if possible...

thank u
rate me

Posted on Jul 13, 2009

Anonymous

  • 999 Answers

SOURCE: Part 8169394 oven door replacement came with NO instructions

If you can get to the top screws without pulling the unit down then you can do the job. Sometimes though it goes back together and alignment is simpler if it is on a table and the cabinet is off. I have successfully done it both ways but neither is what I consider easy.
eric

Posted on Jul 16, 2009

SOURCE: Magnetron Ready to be Reinstalled but...

The sensor you detail has no polarity. It can go "either way"
For goodness sake be careful, I don't want to scare you but more servicemen, & would-be-servicemen die each year "trying" to service Microwave ovens. They are lethel, or rather the Main Capacitor is, it stores enough Joules to kill someone 10 times over.. Always ensure it is discharged to earth before working on anything.
Be careful.

Posted on Jan 21, 2010

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Related Questions:

0helpful
1answer

Where can i buy magnetron for Aowa microwave model 3399 or can you give me the model of the magnetron

The magnetron carries the part number for itself. You can sight it by removing the cover. Parts are available from the maker or repairs agents. However, the cost of a new magnetron may exceed the cost to replace the Microwave Oven.
Before removing the cover of the oven in attempt to carry out any maintenance such as replacing the Oven cavity lamp, make sure the oven is disconnected from the power point ! The voltages in a microwave oven ARE LETHAL !
0helpful
1answer

Fan is loud and almost sounds stuck and the food does not heat at all. Now it died all together. No lights on. Is it worth fixing?

From your the description the magnetron has failed, "heats food" the exhaust fan has seized which keeps the magnetron cool when running, and finally the main fuse has opened, It is far cheaper to replace the microwave oven than repairing it.
0helpful
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Microwave will not heat up. I heard it could be the magnetron or control panel. how do you access the magnetron? do you need to take the microwave out?

Hi,
Yes, it could be the magnetron... and yes, you need to take down the microwave to get in there...but read the tip completely before trying to fix... your life depends on it!!

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

Microwave Oven Basic Troubleshooting Tips

heatman101
0helpful
1answer

Won't heat any foods.

you have a problem with your magnetron tube, and when the magnetron tube goes bad, the diode almost always goes out with it. you should be able to order a replacement tube from your manufacturers website, if you cant let me know and ill try to help you more.

here are the steps to replace the magnetron tube, if you want to do it yourself that is. if you have a professional do it, it can be pretty costly.
  1. Unplug Microwave at least few hours before
  2. Remove Microwave from above oven range by somebody holding Microwave from ground unscrew the screws from cabinet
  3. Remove top cover of Microwave
  4. Make sure to keep screws correctly in a place you remember what goes where
  5. Make sure capacitor is discharged, GE manual inside Microwave says capacitor will discharge within 30 seconds once it is off. As a precaution check the voltage in capacitor to make sure there is no electricity
  6. Remove other panels around magnetron part
  7. You need to remove lot of connecting wires, should be careful to note down what goes where
  8. If possible take digital photos to refer back when you put everything back together
  9. You may need to remove transformer to easily remove and replace Magnetron. If you can't remove Magnetron easily then remove bottom panel of the Microwave and remove transformer
  10. Now it should be easy to remove magnetron
  11. Replace new magnetron and screw it. We had to put one outside part from old magnetron to new one because new one was missing that. Check to make sure both old and new one are exactly the same
  12. Make sure put all wires properly back
  13. Now put transformer back and screw it
  14. Put capacitor panel in place and screw it
  15. This might be a good time to test the Microwave to make sure it works fine now
  16. Now cover the top panels and start to screw everything
  17. Once everything assembled put the Microwave back above range put screws from top
1helpful
1answer

Microwave not heating!!!!! Probably Magnetron malfunction. New replacement Magnetron cost, fuse blown out and cost of internal oven lamp?

Hi,


Here is a tip that will help you to figure out what is wrong with your Microwave Oven....

Basic
Microwave Oven Troubleshooting Tips

heatman101


[]\\\\\\\\\\\\

0helpful
1answer

My GE Profile over range microwave spacemaker xl 1800 model jvm1870bf02 was working just perfect until my daughter decided to use the microwave as a timer and actual ran the microwave with nothing inside...

Magnetron is blown.
This high-energy microwave-transmitting device hides behind a small plate on side of oven.
The waveguide sticky-out part looks like a small tube.
Normally, water molecules absorb the energy, heating the food.
Without an absorbing 'load' inside the oven cavity, the high-frequency, high power energy bounces back into the magnetron and it destroys itself. (Magnetron Hari-Kiri).
In a nutshell, tech must renew magnetron.
Then iInstruct family members to never run it empty.
0helpful
1answer

I have a GE Spacemaker and it is about 9 yrs. old. Sometines it heats; other times it doesn't. I change settings and sometimes that works. Is this something that can be repaired or is this a sign I need...

When the microwave is not heating, that means the magnetron is not working. This is what provides the heat to the microwave. I do believe the magnetron has a 10 year warranty.

If you wish to replace it, here is how:

  1. Unplug Microwave at least few hours before
  2. Remove Microwave from above oven range by somebody holding Microwave from ground unscrew the screws from cabinet
  3. Remove top cover of Microwave
  4. Make sure to keep screws correctly in a place you remember what goes where
  5. Make sure capacitor is discharged, GE manual inside Microwave says capacitor will discharge within 30 seconds once it is off. As a precaution check the voltage in capacitor to make sure there is no electricity
  6. Remove other panels around magnetron part
  7. You need to remove lot of connecting wires, should be careful to note down what goes where
  8. If possible take digital photos to refer back when you put everything back together
  9. You may need to remove transformer to easily remove and replace Magnetron. If you can't remove Magnetron easily then remove bottom panel of the Microwave and remove transformer
  10. Now it should be easy to remove magnetron
  11. Replace new magnetron and screw it. We had to put one outside part from old magnetron to new one because new one was missing that. Check to make sure both old and new one are exactly the same
  12. Make sure put all wires properly back
  13. Now put transformer back and screw it
  14. Put capacitor panel in place and screw it
  15. This might be a good time to test the Microwave to make sure it works fine now
  16. Now cover the top panels and start to screw everything
  17. Once everything assembled put the Microwave back above range put screws from top
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11helpful
2answers

Whirlpool microwave makes loud buzzing noise

When your microwave oven won't cook your food, and, you hear a loud buzzing sound, it’s normally caused by a faulty (a) diode (b) high-voltage capacitor (b) magnetron.
The diode would be the most likely culprit of the three components. It’s also by far the cheapest!
1helpful
1answer

Were are the magnetron ???

HI,
this will require the skilled hands of a qualified tech. the damaged part here is the Magnetron assembly. this is a very sensitive part that creates radiation and the heating process as well. you will need to replace this device asap if possible...

thank u
rate me
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