Question about Magic Chef Microwave Ovens

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Magic chef model MCO165UW

No heat

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christopher tuguinay

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5 Related Answers

ginko

Ginko

  • 19396 Answers

SOURCE: Microwave not heating up

If the microwave is not heating check magnetron connections, probably you will need to replace the magnetron.

Posted on Sep 06, 2008

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MicrowaveSvc

William Miller

  • 9179 Answers

SOURCE: Magic Chef Model#MCMY10SCC-No Heat-Smoke coming out

To obtain warranty service on your Magic Chef or E-Wave product within the initial one year warranty period please complete the form here.

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

Posted on Nov 27, 2008

Anonymous

  • 48 Answers

SOURCE: Microwave does not heat

Hello, I have been repairing microwaves for years, and it sounds like you do have a bad magnatron tube, the magnatron tube generaly runs between $65.00 and $120.00 so the answer to your question about fixing the microwave verses replaceing it, that depends on how old the microwave is, how much you paid, and if you want to put the money into for the tube, and then you also have the labor of haveing it put in if you do not know how too do it safely.. If you want to attempt to repair it and replace the mag tube, I would be more than happy to give you the instructions to do so safely!!! If you decide to fix it, send me a reply to this message, and i will furnish you with a phone number to reach me at to give you instructions...........hope this helps......p.s. I do not charge for any information i give you.....

Posted on Aug 22, 2009

MicrowaveSvc

William Miller

  • 9179 Answers

SOURCE: my magic chef micro does not work. I replaced the

In many brands, there is a "mini-manual" hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting, & testing.

At
our Web site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

Some questions to help you or someone you know troubleshoot it:

When you hit "Start" to microwave, do the inside light, cooling fan, and turntable all come on?

If not, then you probably have a bad door switch or door switch mount and should see these files:

http://www.microwavedisplay.com/safety.txt
http://www.microwavedisplay.com/disassembly.txt
http://www.microwavedisplay.com/doorsw.txt

If the inside light, cooling fan, and turntable are all coming on, then the problem is in the high voltage section, and then the next questions arise:

Any unusual noises? Is it louder or quieter than usual?

We have a sound clip of what a microwave should sound like when the cooling fan and high voltage section are operating here.

A loud buzz, hum, or groan is usually a shorted high voltage rectifier diode, but a sound like gurgling into an empty coffee mug is one symptom of a failed magnetron, and yet the mag can be bad without that sound.

If there's no unusual noise, it may just be a bad connection at the magnetron.

Here are some links you or someone you know can use (in order given) for high voltage section test help, but read the safety warnings first:


http://www.gallawa.com/microtech/diode.html
(if it is NOT shorted or burned looking, it's probably fine)


http://www.gallawa.com/microtech/mag_test.html
(continuity can be good even though mag is bad!)


http://www.gallawa.com/microtech/xformer.html

Accessing some parts may require you to pull the oven from the wall and remove the cover.

If so, the installation instructions are very handy, and it's best to have

two people since the microwave can be heavy and awkward.



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

You can download owner's manuals for many Magic Chef models here.

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

Posted on Dec 07, 2009

A Miller

  • 8404 Answers

SOURCE: no heat on magic chef microwave

Check the door safety interlock switches.

Posted on Dec 29, 2009

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I didn't know they had noise filters! :)
Then you have blown a fuse. Check inside the oven chamber and look for missing powder paint or signs of arcing, if so dispose of the microwave. If the inside is good remove all the screws and remove the cover. Replace the fuse. If the magnetron was making louder noises prior then replace the magnetron. Since the fuse went the giant capacitor is likely bad. While the cabinet is open make sure to look for burned wires, check the continuity of thermal cutoffs, and check the main circuit-board for burned traces or components. The relays in most electronics are known for arcing (spot welding) and staying in the wrong position. Tap them hard with the back end of a screwdriver. During all of this use safe electrical practices by having the power cord unplugged. The capacitor could still have a high charge on it so be careful.

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