Question about Microwave Ovens

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Will only defrost, and not cook on high

The microwave has been working fine for 3 weeks (2nd hand) and has stopped working on High, Med, etc. It will allow you to select High then select the time, however when you press start the timer counts down with a D in front of it. This used to indicate Defrost only. It seems to be defrosting, and not cooking. It has also stopped telling the actual time, and we can't work out how we set the clock in the first place. Please help. I'm hungry :)

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What is the make and model number?
Eric

Posted on Jun 21, 2009

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
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Posted on Jan 02, 2017

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Burns my popcorn constantly. is there a different setting i can put it on?


HELLO.

Solution to your microwave problem is given as below.

* 1 Set your Daewoo microwave on a countertop near an electrical outlet and plug it in. Open the door and place the circular roller guide in the center of the oven cavity, then place the glass cooking tray over it.

* 2 Set your food on a microwave-safe dish and then put the dish on the cooking tray and close the door. Make sure that it latches properly.

* 3 Turn the upper knob to select a power level. Power levels include "Defrost," "Med-High," or "High." If your Daewoo has a touch pad, touch the "Microwave" button once to set the highest power level. Touch it consecutive times to lower the power level.

* 4 Turn the lower knob to set the cooking time. For cooking times less than two minutes, turn the knob up past the two-minute mark, then back to the correct time. For touch pad models, enter in the cooking time with the numerical keys and then press "Start."

* 5 Open the door at any time to stop the cooking and check the temperature of your food. Shut the door to automatically continue cooking, or turn the timer knob to the right to add more time. For touch pads, press the "Stop/Clear" button, then key in a new cooking time and press "Start."

* 6 Open the door when the timer reaches the "Off" position and take out your food.

Thanks.

Sep 24, 2011 | Daewoo KOC-925T Microwave Oven

1 Answer

My microwave oven stopped working. No lights, clocks etc. I have checked the outlet and it is fine, power available. Is there a fuse somewhere inside the microwave?


There is a main fuse in the microwave oven, "white body with silver ends" located near the high voltage capacitor. Unplug unit take top off and allow 30 seconds to dis-charge. Keep in mind the door switch becomes defective and often blows the fuse.

Mar 15, 2011 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

After about 2 weeks of use, the microwave began to make a horrible buzzing noise from the "box" in the upper right hand corner on the back. It also smelled horrible. It then proceeded to stop working...


Two weeks? This is a warranty problem. The buzzing noise was probably either from high-voltage arcing or an overloaded transformer trying to drive a shorted component. The smell is from something electrical getting fried. Remember it; the next time you smell it, you'll know to pull the plug.

Oct 12, 2010 | Sunbeam SMW777 Microwave Oven

1 Answer

I have a Sunbeam Microwave Oven SMW777 - 120V-60Hz. It stopped working two weeks ago - - I can set the time for the clock function but it will not cook/heat anything - won't allow me to set a time to cook...


In all likelihood the mangnetron has failed, or perhaps even the Power Supply. You need to have it serviced by a reputable service centre/man.
Ensure you get a firm "Quote" before proceeding, and remember these days the cost of repair can equal or exceed the price of a new one.

Jan 25, 2010 | Sunbeam SMW777 Microwave Oven

1 Answer

Rudy0819: My GE Microwave Spacemaker model JVM1440WH01 just stopped heating. I used it earlier and it worked fine. When I went to use it again, it won't heat. Everthing else works, the light, fan, etc,...


The most likely thing is the magnetron has 'died' but there is a high voltage fuse between the capacitor and the magnetron which may blow. Either way, repairs to microwaves are dangerous and should only be undertaken by a qualified repairer. PS I have seen a mouse cause this problem!

Sep 22, 2009 | GE JE1640 Microwave Oven

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Tesco Combi Microwave-doesn't cook but grills ok


Hi! the problem you have mentioned indicates that your microwave magnetron is not working. check for busted fuses.

Sep 08, 2009 | Emerson MW8777W Microwave Oven

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Where is the 10 amp fuse on my delonghi micro/combo/grill please


Hi, I take it that this is a combi microwave? Some of these have settings on the front to microwave/grill/etc... so make sure its on the right one first!!
If you have selected the correct one then the m/wave does not work it could be several things!
Microwaves run to earth and need diodes to do this if these break down it will not m/wave! It could also be a internal fuse? ( but very unlikley if everything else works) Then you have the Mag or transformer which could be down to! M/waves run on a high power side and a low power side. The low power will not hurt you to much but the high power side will. My advice to uou is not to touch as it could be fatal as these things carry a high charge even when they are unplugged!

Dec 28, 2008 | DeLonghi MW 605 Convection/Microwave Oven

1 Answer

Samsung SMH7178STD microwave fan stopped working


It looks like the part of your computer board on microwave which responsible for controlling light and fan stop working. In this case you have to replace computer board.

I’m happy to help further over the phone at https://www.6ya.com/expert/vitaliy_f406165329c75ede

Dec 03, 2008 | Samsung SMH7178STD Microwave Oven

1 Answer

Today is the day my microwave stopped working


Magnatron is suspect.
Need to put a voltmeter on the input (primary) side to the high-voltage transformer (big heavy iron thing in there)
Should be getting 120Vac when it goes to cook cycle.
Don't touch the other (high voltage) side of this transformer.
If the power is there, you are looking at replacing the magnatron.
Could also be the high voltage capacitor or diode.
Its affordable if you do it yourself - buy the part on EBAY - lookup "universal magnatron"

Jan 02, 2008 | Sanyo EM-Z2001S Microwave Oven

2 Answers

OLD Kenmore Microwave Oven


A microwave can be dead for many reasons.

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.

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

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

If you or a friend 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: http://tinyurl.com/yzjozk
You can probably find an exploded view by entering your FULL model number here: http://www3.sears.com (the 3 is correct)

Dec 05, 2007 | Microwave Ovens

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