Question about Magic Chef MCD1611ST Microwave Oven

1 Answer

Microwave would cut off after a few minutes and then turn back on but now there is no power at all.

For the past few weeks if we use the microwave for more than a few minutes it would cut off. It would come back on after a few minutes. Now there is not any power to the microwave at all. I have tested the plug and checked the breaker. Both are fine.

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  • Contributor
  • 27 Answers

There are few reasons for this fault, but the main is that you need to open your microwave oven and first check the Fan which is connected at the back which cools the magnetron.
If this fan fails thus results in magnetron being overheated and the thermal cutoff gets open circiut and shuts down whole power of your microwave oven.
Check your fan motor test it straight with direct power
Also check the thermal cutoff.

Let me know after you have done those checkups



Regards
Ashwin

Posted on May 24, 2015

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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  • 100 Answers

SOURCE: microwave stopped working completely

Fan turned on after cooking because a thermostat got to hot and tripped turning on the fan to try to cool the unit.  The unit went completely dead when thermal fuse tripped which is located above the cavity on the left side.

Posted on Oct 31, 2007

  • 1 Answer

SOURCE: Over the Range Microwave Oven

my microwave oven have inside a a metal papel i remove becouse sparks when turn on .this pece of paper is necesari
thanks
alexas

Posted on Jun 27, 2008

MicrowaveSvc
  • 9156 Answers

SOURCE: Replacing the fuse of a MCO160UW

A microwave can be dead for many reasons.

It may be the fuse, which is usually located on the floor of the oven behind the control panel or between the door switches.

If the fuse is good, it may be an open thermostat or thermal cutout (TCO) / thermal fuse on or near the magnetron or on top of the cavity / body of the oven.

If it goes dead for a while during or after cooking then comes back on, the magnetron is probably overheating and causing the magnetron thermostat to open.

Then when it cools, it closes the circuit and allows power through again.

When checking thermostats, if it has a hood fan thermostat, that should read open, as opposed to the others, which should read closed.

If it went dead almost immediately after pressing the Start pad, that's usually a shorted high-voltage capacitor.

If it went dead a few seconds after pressing the Start pad, that's usually a failing high-voltage transformer.

If it goes dead or blows the breaker (or GFI) when you plug it in or open or close the door, then there's a problem with a door switch or door switch mount.

If it's intermittent or random, it may be a bad connection, usually on the control board or a loose fuse holder, or even an intermittent fuse.

You should do a continuity test on the fuse while it's in the holder (with the microwave unplugged, of course) then turn the fuse by hand or take it out and put it back in, then test it again.

If you remove the fuse, then press the meter leads against the ends, it can allow internal contact to be made and make a bad fuse appear to be good.

If you or someone you know decide to look into it, we have critical safety information and disassembly information at our site, and our link is at our listing here on FixYa.

There may also be 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.

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

Posted on Jul 19, 2008

BNUTZBCRAZY
  • 130 Answers

SOURCE: no power to microwave all ready checked fuse box

the circuitry has probably gone bad, try plugging it into a different electrical outlet, but if that doesnt work, its probably dead. and it will be cheaper for you to replace than have serviced, unless its still under a warranty

Posted on Jan 15, 2010

  • 75 Answers

SOURCE: I have a Magic Chef microwave MCO160UB. I was

If the microwave is above the stove, the heat sensors in the microwave
may turn on fans to cool it even though the microwave itself is not
running. It tries to save its life. It should turn off when the stove is not
heating it.

Posted on Aug 29, 2011

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Hi there,

It could be either the magnetron thermostat or the cavity thermostat would be faulty, depending on the microwave but in most cases it would be a thermostat.
First of all you can try cutting the power to the unit for 5 minutes, then retry it.
Call 800-626-2005 GE costumer care You will probably need to provide your serial number when you call so be sure you have that ready.

Good Luck!!

Thanks

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