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My micro wave just stop working - Sharp R-520LW Microwave Oven

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Please be very careful when troubleshooting your microwave it can shock you even when it is unplugged from a power source. Take your digital multimeter and check your fuse. If ot is blown check diodes if it reads both ways it is bad. If you arent sure how to discharge the main cap please have a tech troubleshoot your microwave. Most likely it will be the diode if the fuse is blown. If not it is the big electrolytic capaitor shaped like an oval tin can please be careful with this component make sure you discharge it first before relaceing

Posted on Nov 07, 2010

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Hi, My AEG built in micro wave has stopped working I was warming plates and it just cut out leaving an / and * on the display, I switch it off for 15mins then switched it back onit flashed 12.00 twice and...


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The mega-tron tube is a very high energy transmitter. The energy will come out of the top inside the micro wave oven in a wave guide. Micro wave energy that generation by the tube is high frequency into Gega Hertz. You have a metal tray in side the micro wave acts like a big capacitor it stores energy in form of heat the next you know it look like Marconi is putting on a lighting display.



Leave the wire tie on a loft of bread and put in you micro wave oven to defrost. The next thing you might see is a load bread burning, instant toast. ----The use of micro wave were invented by the British before WWII. The mega tron tube generation very high frequency radio wave and these wave struck an object 100 miles away some of this beam energy would balance back to a receiver-----You have Radar.... I wish you and your family well being and be careful of micro wave ovens it can burn from inside out. GB you...stewbison

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When micro wave oven is in use, I can feel air coming from the door. is it leaking micro waves?


Not likely if the door seals are intact, clean, and the door is latched. The pin-holed screen that you can see through stops the microwave energy. Hope this helps!

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Hi,

Here is a tip that will help you to figure out what is wrong with your Microwave Oven....

Microwave Oven Basic Troubleshooting Tips

heatman101

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My microwave starts however food does not heat up.


Micro wave as the name suggests produces heat when the micro waves aimed at an object causes the water molecules inside the object to vibrate hence producing heat.The gadget responsible is the magnetron. If your magnetron is not receiving ht voltage or receiving but faulty, then your micro wave wont work please take precaution when opening micro wave due to high voltage caps that remain charged sometimes even when it is off.check the high voltage fuse/ diode and capacitor if they are fine and the step up trans former o.k then the only option is to replace the magnetron

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Micro wave stopped heating. All other features


Check the door safety interlock switches. Magnatrons are pretty tough but the little switches are not.

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Micro Wave shuts down


If it stops after 22 seconds, that means the controller has detected a problem, usually a problem with the inverter or a bad magnetron.

Due to the lethal voltages used and produced, I do not recommend that an inexperienced person work on these.

You can find an authorized Panasonic servicer here.

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

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