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Daewoo OTR Microwave shuts off circuit breaker

I have a Daewoo OTR Microwave (Model KOT-210UB) on its own circuit breaker. Clock works , fan etc. but when I press Start after approx. 10 seconds it trips the circuit breaker. This is my second OTR Microwave so I know its not a problem with the circuit breaker. Could a fuse in the microwave itself cause this problem and do I need to take the entire unit out to replace a fuse. I also just bought a new unit but if its as easy as changing a fuse I will do that, return the new one and save myself 400. Just came across this site and think its great .. would have checked it sooner here before buying a new one .

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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MicrowaveSvc
  • 9086 Answers

SOURCE: Sharp R-1450 Microwave Oven

The most common suspect here is a shorted high voltage capacitor, since you say it blew the fuse right after Start, but I would certainly suggest checking the door switches and door switch mounts first. Just be sure you installed the right fuse. It would be a The switch mounts seem to break at about this point in the life of these models. If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info (as well as a text file which helps in diagnosing and repairing door switch problems) at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk You can find helpful exploded view diagrams and order parts by entering your model number here: http://www3.sears.com (the three is correct)

Posted on Jun 08, 2007

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bluegreenash
  • 661 Answers

SOURCE: No Power at all after loud short buzzing sound

sounds Like an electrical fault in the Micro, Sorry but this is broken.... If this is within warranty (do check as some warrantys are for 3 yrs or more) get the manufacturer to replace/repair it for free. you could get it serviced, but it is probably cheaper to buy a new one.

Posted on Aug 24, 2007

micromaster
  • 3614 Answers

SOURCE: Model "KOT-152UW" The

well inside the unit check for any burn fuses on the power supply area, and into the control board. fuse basically the one will tripped if power surged occurred..

Posted on Jun 27, 2008

MicrowaveSvc
  • 9086 Answers

SOURCE: Ewave OTR Microwave Oven, Model KOT-153UW. Light

We see (and repair) this a lot. The problem is on the control panel, which we regularly repair nationwide by mail for $39.95 postpaid in about a week or so.

At our Web site, you can get details of our service, plus we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

This light failure often occurs when a bulb goes out and the filament shorts, or when the bulbs are removed or installed without first unplugging the oven from the power line. Either can cause such a failure on the controller.

The lights can can be inoperable or stuck on or no bright, too. Sometimes this will similarly affect the exhaust fan operation or inside light, too.Feel free to contact me directly (and please remind me of your full model number from the tag on the unit) 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, AS-EET
prototech@usa.net
http://www.microwavedisplay.com

4e06caf.jpg

Posted on Jul 13, 2009

erpaalai
  • 999 Answers

SOURCE: I have a Sharp Carousel II microwave oven mounted

Model number is on the side of the control or along he bottom of the frame. The control panel should be removable with a screw or 2 and sliding up to unlatch. the fuse is behind there. To remove it off the wall there is 2 screws coming down from the cabinet above and the unit tips towards you and lifts up off a lip on the back plate. Eric

Posted on Aug 11, 2009

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1 Answer

Spontaneously stops working and then comes on after 5 minutes. Why?


Sounds like the magnetron is overheating. There is an automatically-resetable thermal circuit breaker attached to the magnetron. Most likely your problem is caused by either a cooling fan that is not running, or is running too slow (caused by gummed-up bearings). In some over-the-range (OTR) microwave ovens, the exhaust fan is run at a slow speed to cool the magnetron, and if it's bearings get gummed up, it won't run on the slow speed. But if it's a new OTR microwave, then the exhaust fan may be pointing the wrong way. (It is rotatable, depending on the installation). For example, if it is pointing up, but you don't have an exhaust vent over the microwave, then the air has nowhere to go, and the magnetron will overheat.

Oct 16, 2014 | Microwave Ovens

2 Answers

Model "KOT-152UW" The


well inside the unit check for any burn fuses on the power supply area, and into the control board. fuse basically the one will tripped if power surged occurred..

Jun 27, 2008 | Microwave Ovens

1 Answer

Touch Control panel of my daewoo KOT-151S microwave needs to be replaced. I have to push control pad several times to get it to operate. Sometimes it will go on after just a few pushes, other times it...


We regularly replace these.

You can send your KOT-151S control panel assembly to us to install a new membrane keypad. The cost would be $64.95.

Or you can order an entire control panel assembly (plastic frame, stainless trim piece, keypad, and control circuit board) for $88.85, which includes return shipping.

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, AS-EET
prototech@usa.net
http://www.microwavedisplay.com
Microwave Oven Control Panel Repair Nationwide

Jul 31, 2009 | Daewoo Microwave Ovens

2 Answers

Ewave OTR Microwave Oven, Model KOT-153UW. Light


We see (and repair) this a lot. The problem is on the control panel, which we regularly repair nationwide by mail for $39.95 postpaid in about a week or so.

At our Web site, you can get details of our service, plus we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

This light failure often occurs when a bulb goes out and the filament shorts, or when the bulbs are removed or installed without first unplugging the oven from the power line. Either can cause such a failure on the controller.

The lights can can be inoperable or stuck on or no bright, too. Sometimes this will similarly affect the exhaust fan operation or inside light, too.Feel free to contact me directly (and please remind me of your full model number from the tag on the unit) 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, AS-EET
prototech@usa.net
http://www.microwavedisplay.com

4e06caf.jpg

Jul 13, 2009 | Daewoo Microwave Ovens

1 Answer

OTR Amana microwave- No power, lights, clock or sounds.


Either your magnetron, cooling fan, or the magnetron thermostat is failing.

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.

Amana / Whirlpool customer service is here.

Please contact them to find your nearest authorized service center.

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

Jun 06, 2009 | Amana Radarange Microwave Oven

1 Answer

Daewoo over the range microwave model KOT-21OUB just stopped working for no apparent reason. Lights and fans still work. Not heating food. Worked for one dish then the next nothing.


how old is the machine, microwave ovens have a tendancy to do the ridiculous for no possible reason. a check of the main power fuse within the unit might help. it is a large fuse 10A> that supplies the transformers

Feb 17, 2009 | Daewoo KOR-630A Microwave Oven

1 Answer

Replace OTR Microwave


Thanks for responding. It is a EWave KOT-152UW. I think EWave is part of Magic Chef. I think it is the door switch. When I opened the microwave, the circuit breaker tripped. I reset the circuit breaker, and it worked for several days, but the last time, the microwave went dead. The reason I want to use the same bracket is it has through the wall (horizontal) venting to the outside, and I am not keen on trying to cut more holes.

Nov 04, 2008 | Microwave Ovens

1 Answer

Whirlpool OTR microwave no oven 'fan'


FIRST ,,MICROWAVE OVENS ARE REALLY SAFTY MINDED AND THATS A GOOD THING....THERE ARE USUALLY THREE DOOR SWITHCES NEXT THE KEYBOARD--THE ONE ON TOP AND THE ONE ON BOTTOM ARE PRIMARY AND SECONDARY SWITCHES,,YOUR PROBLEM SOUNDS LIKE ONE OF THESE IS NOT MAKING CONNECTION..YOU MIGHT BE ABLE TO PRESS 'DOWN" WITH A LITTLE PRESSURE ON THE DOOR AFTER CLOSING TO SEE IF THE FAN WILL START,,,IF YOU NOTICE --THERE ARE 2 LATCHES(HOOKS) COMING OUT OF THE DOOR,,WHEN THE DOOR IS CLOSED,THOSE LATCHES ARE SPRING LOADED AND MAKE CONTACT ON THOSE SAFTY SWITCHES....THIS IS NOT A CUSTOMER REPAIR--MICRO'S ARE JUST TO DANGEROUS WHEN YOU TAKE THE COVER OFF--IF THIS DOES BRING THE FAN BACK ON--YOU GOT A BAD DOOR SWITCH AND SHOULD BE A REASONABLE REPAIR
THE OTHER SOLUTION STILL WOULD BE A CONNECTION PROBLEM ON THE KEYBOARD ITSELF-THE WIRES JUST PLUG ON THE CIRCUIT BOARD BEHIND THE KEYBOARD---STILL A EASY REPAIR--GOOD LUCK TUNICA

Oct 30, 2008 | Microwave Ovens

1 Answer

Daewoo MT1510B problem


Chances are your magnetron is overheating, activating the magnetron thermostat, which resets and restores power when it cools.

Your manual may call for you to put a paper plate under the popcorn bag to heat better and to protect the turntable. (And always place the food slightly off-center on the turntable, for the same reasons!)

You should first confirm that the outlet reads about 110-120 volts AC and that the microwave is on its own breaker. If a microwave shares a breaker with another high current device (or even lights) it can affect operation.

Then be sure the microwave's internal cooling fan is running.

If this is an over the range model, it will also have a exhaust hood vent fan which you can turn on and off at will, but this is not the fan I'm talking about.

The internal cooling fan should be on whenever the oven is cooking. If not, the magnetron can overheat and eventually be destroyed.

The next issue is how long you've had the oven.

If it's within the 30-day dealer exchange period, I'd take it back for a new one pronto.

If it's within the full warrranty period (usually 1 year) Daewoo's service center should fix it free.

You can visit Daewoo online or call them at 1-800-323-9668 or 1-800-553-4355 to find parts or find your nearest authorized service center to have them do the work.

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

Oct 07, 2008 | Daewoo KOR-6115 Microwave Oven

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