Question about Magic Chef CMV1000B Microwave Oven

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My Magic Chef turns itself on by itself several times in the past couple hours. What could be wrong? Is it a fire hazard?

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Hi,
Main circuit board is bad....unplug till you replace the board...

heatman101

Posted on Sep 17, 2011

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My magic chef microwave locked itself. it wont unlock when i hold down the cancel key. what do i try next?


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Oct 07, 2015 | Magic Chef Microwave Ovens

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Think my fuse blowed


Generally, Microwave ovens have a glass fuse on the main filter board inside the microwave itself. Attempting to replace this yourself (opening the microwave covers) is not advisable. There are several components inside a microwave oven that run at 2000-3000 volts and though it is unlikely, there is a chance the capacitor on the high voltage side is still charged and presents a LETHAL hazard. A repair of this nature should be referred to a qualified technician.

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Is the carousel in magic chef microwave worth fixing


If the machine is several years old I would opt to have it replaced, repairs would equal if not more than a new microwave oven.

May 17, 2012 | Magic Chef Microwave Ovens

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Magic chef panel does not work. turns on and off by itself.


the only way the unit that ive encountered with that problem was when bugs aka roaches ran across the circuit board and turned on a range while the customer was on vacation. sorry for being blunt. let me know if this help. you never know this tip might help prevent a fire.

Feb 27, 2010 | Microwave Ovens

1 Answer

Vent fan high comes on automatically with cooking


Right, that would be MCO10UW and the owner's manual is here.

The owner's manual does say this, of course,

"To prevent overheating from taking place, the exhaust
fan is designed to automatically turn on at a low speed if
excessive temperatures occur. Should this happen, the
fan cannot be manually turned off, but it will
automatically turn off when the internal parts have
cooled. The fan may stay on for up to an hour after the
range and microwave oven controls have been turned
off."

That;'s standard on microwaves.

But these models do have a separate internal cooling fan (which should run any time you microwave) plus the hood vent exhaust fan, which should only run when you select it, or if there is an excessive stovetop or under-hood temperature.

So if it comes on whenever you microwave, that is incorrect.

When that happens, it's usually a defective vent thermal switch (a.k.a. hood TCO).

But since it's brand new, I would certainly contact Magic Chef about this. If it's in need of repair, they will fix it free, assuming the oven wasn't physically damaged.

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

For Magic Chef in Canada call 866.587.2002

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

Jan 08, 2009 | Magic Chef CMV1000B Microwave Oven

4 Answers

MICROWAVE TURNS ON BY ITSELF AND RUNS FOR 3.5 MIN EACH TIME


My Magic chef Microwave also starts by itself the the keyboard locks up.
We have had this unit for 4 years with no problems. I called Magic Chef and they are sending me a new brain for the unit and then someone will come to my home and repair it. NO CHARGE! I am very pleased that they are backing their product like this. God Belss America

Dec 10, 2008 | Magic Chef CMV1000B Microwave Oven

1 Answer

Microwave comes on by itself in middle of night


This absolutely is a fire hazard.

Until it is fixed, you are right to either unplug it or simply leave the door open when you;re not using it.

You have a failed membrane keypad.

If you would like to have us to do this repair for you, we do that for $39.95 plus part costs.

Feel free to contact me directly (and please remind me of your model number) for more information & help.

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

William E. Miller
prototech@usa.net
http://www.microwavedisplay.com

Dec 08, 2008 | Microwave Ovens

1 Answer

Microwave turns on by itself


You have a shorting keypad. This can be very dangerous and result in a fire.

So until it is repaired, please leave it unplugged or leave the door open when it;s not in use, and please do not leave it running unattended.

If you (or someone you know) might want to replace it yourself, I have uploaded a handy guide with pictures showing you what's typically involved.

You can usually find Magic Chef parts here.

If not, please reply back with your model number so we can help you.

If you would like to have us do this for you, we do that for $39.95 plus part costs.

Feel free to contact me directly (and please remind me of your model number) for more information & help.

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

Nov 08, 2008 | Magic Chef CMV1000B Microwave Oven

1 Answer

Microwave turned on by itself


Have you tried unplugging it than reapplying power ? Sometimes a power up reset will clear the logic on the control card and yes.. if it continues to run ...you have a potential fire hazard...

Sep 22, 2008 | Magic Chef MCD990W Microwave Oven

1 Answer

LAST NIGHT OUR LESS THAN 1 YR OLD MAGIC CHEF MICROWAVE TURNED ON BY ITSELF AND WE TRIED EVERYTHING TO GET IT TO CANCEL INCLUDING UNPLUGGING IT SEVERAL TIMES. IT HAS A MIND OF ITS OWN NOW. MODEL #MC0160UB...


Have you looked on the magic chef recall website? I read about the same problem on the Samsung recall website about microwaves turning themselves on.

Apr 01, 2008 | Microwave Ovens

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