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We have a micro/convection oven and the "protective cover" on the inside right hand side of unit SPARKS and FLARES UP when we try to heat something up. What's that all about?? Our model # is JES1290

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Quite often this is due to grease or food particles stuck to the inside of the oven or stuck on or behind the waveguide cover.

The cover and the metal behind it should be cleaned with a mild, non-ammonia cleaner.

If the cavity metal of the oven is chipped or charred, it will have to be sanded smooth and clean and dried thoroughly.

Then you can apply some high-temperature appliance paint, available from places like Wal-Mart, Lowe's or Builder's Square.

If your waveguide cover is burned, it will need to be replaced.

You can usually find helpful exploded view diagrams and order parts by entering your full model number here: http://tinyurl.com/gv383

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

Posted on Jul 01, 2008

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MICROWAVE TAKES LONGER TO COOK EVEN ON HIGH AND OCCASIONALLY SPARKS FOR NO REASON


inside your micro... walls are made of metal but protected with paint, if this paint is gone and the metal shows thats what happend you have to repaint the unprotected areas again, and the reason your micro... is not working so good anymore is due to the magnetron

Jan 31, 2014 | Sharp R-930AK Convection/Microwave Oven

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Manufactured in 02, thi shas been a great unit


Sparks during convection heating? That may be a shorting convection heating element.

There should 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.

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At our Web site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

You can find links to helpful exploded view diagrams and part ordering help here.

If you still need help, to allow us to help you effectively (at no charge), please post a NEW problem to FixYa, and please include your brand name and the full model number from the tag in or on the unit as well as repeating your symptoms in detail.

Also, let us know where she saw the sparking and if the poor heating is in convection mode or microwave mode or both.

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

Nov 28, 2009 | GE Advantium 120 Convection/Microwave Oven

1 Answer

Amana convection/micro #AMC1580AB popping SOUND and sparks


That would be ACM1580AB, just in case that was throwing off your searches.

If the noise came from within the oven cooking cavity, it may be grease of food on or behind the waveguide cover (called a canopy in this case) which is fastened to the wall of the oven with two screws, apparently.

The cover and the area behind it must be clean.

If the canopy is burned or damaged it must be replaced.

If the sound was coming from behind the controls or on the right side under the outer cover, then it is probably a bad high voltage rectifier diode.

Here are some links you or someone you know can use for test help, but read their safety warnings first:

http://www.gallawa.com/microtech/diode.html
(if it's not shorted, it's probably okay)


http://www.gallawa.com/microtech/mag_test.html
(even if the magnetron passes these tests, it can still be bad. If you have high voltage and the diode is good, assume the magnetron is bad)

You can find helpful exploded view diagrams and order parts by entering your full model number here.

The actual service manual (with installation & operation info, too) is free to download here.

Your owner's manual is availabel free here.

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

Sep 26, 2009 | Amana ACM1580 Convection Microwave Oven

1 Answer

Ge convection micro combination has a problem with convection fan . fan runs for about 5 seconds, rattles, then stops. heat element gets red hot but little heat inide oven. replace fan motor or maybe more?...


I would say the convection fan blade is loose on the shaft.

If this is the case, it would try to run, but no cooling would take place, so the heat from the heating element would get very high but it would not be distributed through the oven.

The thermistor would then detect the extra high heat and stop it, I assume.

You may be able to use super glue or JB Weld to fix the blade on the shaft, as long as they are clean and dry and it is allowed to set overnight.

You can find helpful exploded view diagrams and order parts by entering your full model number here.

There should be a "mini-manual" (tech sheet) hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting, testing, and locating components.

dee77f7.jpg

Accessing these components for testing and possible replacement will require you to remove the oven from the wall and take off the outer cover.

If so, the installation instructions are very handy, and it's best to have two people since the microwave can be heavy and awkward.

You can download GE owner's manuals and installation instructions here.

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

Jul 11, 2009 | GE Monogram ZE2160SF Convection /...

1 Answer

Sparks


usually sparks come from turning and cooking with nothing inside the microwave..if there is grease or something on the bottom the heat will generate a spark

Mar 22, 2009 | Emerson MW8102SS 1100 Watts Microwave Oven

1 Answer

Sparks coming in side the micro oven. when I start the micro oven sparks are coming in side the oven.


Quite often this is due to grease or food particles stuck to the inside of the oven or stuck on or behind the waveguide cover.

The waveguide cover is usually about the size of a playing card and often held in place by a plastic rivet.

In some models it is a larger stirrer cover type made of thicker plastic in the ceiling of the oven.

It can be fragile, and the metal edges of the oven behind it can be sharp, so be careful!

The cover and the metal behind it should be cleaned with a mild, non-ammonia cleaner.

If the cavity metal of the oven is chipped or charred, it will have to be sanded smooth and clean and dried thoroughly.

Then you can apply some high-temperature appliance paint, available from places like Wal-Mart, Lowe's or Builder's Square.

If your waveguide cover is burned, it will need to be replaced. It provides important protection for the magnetron.

You can probably find exploded views and order parts by entering your model number here at the Sears parts site.

The best place to order Sharp parts is Tritronics.

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

Aug 04, 2008 | Sharp R-930AK Convection/Microwave Oven

1 Answer

Takes much longer now to heat things


I think you have two separate problems.

Taking a long time to heat is almost always a failing magnetron.

The cover on the side is the waveguide cover. If your waveguide cover is burned or broken, it will need to be replaced.

It protects the waveguide and magnetron from grewase and food particles, which can cause arcing and damage.

Hopefully your oven is just under the one-year mark and GE will fix it free under warranty.

Otherwise, they will replace the magnetron at no part cost, but labor will be your responsibility.

GE Customer Service is at http://www.geappliances.com/service_and_support/contact/

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

May 10, 2008 | GE Advantium 120 Convection/Microwave Oven

1 Answer

Used tefle coated tin micro+convection oven


There are some times when it is ok to use metallic stuff in a microwave. This is probably one of them. But you won't get the manufacturer to agree. Metal concentrates the microwave energy making a strong enough local electric field to cause sparks and heat. Usually burns that spot. Do you have one of those popcorn cookers for microwaves? Works by heating a special pad in the bottom just right.
What the manufacturer is saying in the warning is:
Don't sue us if you use metal in this oven and something goes wrong.

Feb 07, 2008 | Microwave Ovens

1 Answer

Microwave ovens


The cover is probably the magenetron. That is where the microwaves come from. If the bread was moist, it might have left condensate in the unit which is causing the sparking. Unplug the unit, leave the door open over night. If you can remove that cover, do so. Be sure to carefully replace it before using the unit. Never turn on a microwave with nothing in it.

Dec 16, 2007 | Sharp R-1480 Microwave Oven

1 Answer

Problem


check halogen light holder and connections, and any damage body, check inside body of microwave oven , because of microwaves some sparks comes from damaged body..

Oct 18, 2007 | Kenmore 63793 Convection / Microwave Oven

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