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Magic Chef Microwave looses power when making popcorn

Set the timer for 2:55, not using the popcorn setting. The microwave stops dead, no display and comes back to life after about 10 minutes. Second microwave of same make and model both brand new. I installed exactly the same microwave in my last house, back in May, and popped the same brand and package size of popcorn with out problems. My theory is the steam from the pop corn is for some reason tripping a thermal cut out switch.

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Re: Magic Chef Microwave looses power when making popcorn

That does indeed sound like the mag is overheating and the thermostat is tripping, but it's probably not the steam.

Do you feel a good amount of air flowing through the vents?

If the cooling fan is not running or the air vents are blocked, that wil allow the magnetron to overheat.

If air flow is not a problem, then you may have a defective magnetron.

Assuming it's still under warranty, it would be best to let a Magic Chef-authorized servicer handle it.

For more help from Magic Chef / Ewave : ; Contact page ; Order


Posted on Oct 22, 2007

Re: Magic Chef Microwave looses power when making popcorn

Actually figures out that it was the sensor for the plate that was tripping it out. Placing a dinner plate on it before popping corn resolved the problem. Assuming my wife remembers the plate of course.

Posted on Oct 22, 2007

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1 Answer

How to set the clock on a Magic Chef Microwave

Google the model number with "manual" or user manual or visit the Magic Chef site and search there--pretty sure if you call them they can either mail you the same or show you how to get it on their site.

Oct 14, 2012 | Microwave Ovens

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Operation manual is lost, how do I set the clock?

The manual for the Magic Chef MCD1311ST Microwave can be downloaded in pdf format from the following site (follow the link then click the "Manuals" tab):

If you don't have time to download, here's what the instructions state:

When the oven is first plugged in, the display will flash ":0" and a tone will sound. If the AC power ever goes off, the display shows ":0" when the power comes back on.

1. Touch CLOCK pad.
This is a 12 hour clock system.

2. Touch CLOCK pad once more.
This is a 24hour clock system.
NOTE: This oven has multiple clock system. If you want 12 hour clock system, omit this step.

3. Enter the correct time of day by touching the numbers in sequence.

4. Touch CLOCK pad.
The display stops blinking, and the colon start blinking. If you selected 12 hour clock system, this digital clock allows you to set from 1:00 to 12:59. If you selected 24 hour clock system, this digital clock allows you to set from 0:00 to 23:59.

5. Touch STOP/CLEAR pad.

NOTE: If you attempt to enter an incorrect time, the time will not be set and a error signal tone will sound. Touch the CLOCK pad and re-enter the time.

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OVERHEATING - Magic Chef Microwave M# MCO160S

Generic questions and comments:

Does your microwave have a "popcorn" setting and are you using it? Is there a rotating table in your machine? Is your popcorn bag elevated on top of a bowl or similar? Are you using some other "sensor" setting? Can you use straight time setting and get it to go past the 1 min 45 second mark?

On my microwave, it takes just about that much time and the popcorn is done ... BUT only if I elevate the bag to about the middle of the oven.

Let me know if this works for you.


Sep 21, 2009 | Microwave Ovens

1 Answer

I was making popcorn and the microwave just died

Since it's less than one year old, it would be fully covered under warranty. I'd suggest contacting the manufacturer to get it fixed free.

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.

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My Magic Chef over the range microwave won't even pop popcorn without shutting down. Was told to put dish on sensor but it still shuts down. Any answers?

Magic Chef customer support recommends placing a glass of water inside the oven to absorb some of the energy. It works for us..Jan 1, 2010

Mar 31, 2009 | GE JVM1653 Microwave Oven

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Shuts down for 5 minutes

I have the same problem with my new magic cheff over the stove microwave oven. I call magic chef and they gave me the 800 number for the service center (1-800-775-0202). When I described the problem they told me to just put a plate under the popper and this wouldn't happen anymore. I haven't tried it yet but here's hoping.

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MCO160UW goes dead after 3 minutes

I returned the item to Home Depot and they took it back no questions asked.

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Oven turns off


You are running the risk of damaging the Magnatron by doing this.

Check the packets you are using, you will have to reduce your power output.

This is because microwaves act by being absorbed by water. There is very little in popcorn and in fat. Once this has been evaporated, the microwave energy builds up (as it is still being produced - but not absorbed), and ends up cooking the magnatron itself.

I have seen countless posts on here after cooking popcorn!

More fun on the hob anyway - and cheaper to buy in bulk!

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Magic Chef MCO153UW

The cooling fan is a must!

Otherwise, the magnetron will be ruined, and that drives up the repair cost.

If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info at our site, and our link is at our listing here on FixYa:

You can order parts here:

To contact Magic Chef about getting an *authorized* servicer, see:

We're happy to help and we appreciate your thoughtful rating of our answer.

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Magic chef microwave shuts down

We had the same problem with our brand new Magic Chef. Before going through the trouble of taking it back I called Home Depot. After talking to a Home Depot Rep I am told that the overheat sensor is under the glass plate directly beneath the popcorn bag. Popcorn gets very hot and the heat of the popcorn causes the sensor to shut the machine down. I would imagine this would be the same for a baked potato.
Very poor design.
I was told to put a microwave safe plate down and put the popcorn bag on it. This should help to reduce the heat and not trip the sensor.
A safety sensor is great, but not if it keeps tripping the machine and shutting down!

Sep 02, 2007 | Microwave Ovens

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