Question about GE Microwave Ovens

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My microwave does not heat as hot as it use to. What would cause that.

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Here is a simple power test.
Place a measured cup of water into the microwave. Run the micro for 2 minutes. A 1000 watt micro will boil a cup of water in 2 min. Check the power output of your machine. It will be found on the model number tag. A 700 watt micro will take about 3 minutes. If this occurs, the machine is working properly.
Otherwise, check the outlet voltage, should be 110 or higher.
Outside of this, you could need a high voltage capacitor or magnetron.

Posted on Dec 30, 2010

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Posted on Jan 02, 2017

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1 Answer

TECH MAG 6 TRAINER gets hot and makes noise after I use it for about 15 minutes


Sounds as if it is not ventilating the heat properly, which is causing a safety mechanism to be triggered to shut down the microwave in order to save the motor.
The vent could be blocked, the fan/fanswitch went out, or the heat sync is no longer properly transferring heat. Depending on the age the solution would to call a repair man or replace the microwave. And never use microwave without anything inside of it.

Dec 01, 2016 | Microwave Ovens

1 Answer

What causes steam in between glass microwave door


Cooking food in there will cause steam as the microwave heats the water content in your food to make it hot. This will mean some escapes and will settle somewhere it can find cooler than the rest of the unit

Oct 07, 2014 | Microwave Ovens

1 Answer

What would cause the glass tray in the microwave to shatter


  • The glass tray had a hairline crack or stress fracture that was not visible
  • It got a little too hot in one area
  • The expansion from the heat caused the fracture to expand and therefore crack and break
An accidental bumping of the microwave plate on the countertop while going from the microwave to the dishwasher might set up the above situation. The spoon your seven year old left in the mac and cheese might have arced and nicked a small piece of the glass. Whatever the cause, microwave trays break and they break for a lot of reasons.

All foods cooked in the microwave produce heat. Microwaves themselves are not hot, but the foods cooked in a microwave get hot - some much hotter than others.
Even though most microwave glass trays are tempered, they are not designed to hold up under high temperatures. You will see most microwave trays stamped with the words "For microwave oven use only" This is to let us know that it's probably not a good idea to use the trays in a conventional oven.
Any air pockets, cracks or gaps in the glass can enlarge under heat. Since glass isn't very receptive to being stretched, breakage can occur.


for more you can read on this link
http://www.ebay.com/gds/Why-did-the-glass-tray-in-my-microwave-break-/10000000003014864/g.html

Aug 27, 2013 | Goldstar Microwave Ovens

1 Answer

Sanyo EM-SL40S microwave everything seems to be working fine but food doesn't get hot?


see this causes and fix it. GOD BLESS YOU
Power Diode

A diode is an electronic component that readily passes current in one direction only and blocks the flow of current in the opposing direction. If your microwave's diode has become defective, your microwave will not heat and you will hear a buzzing noise. Test the diode to determine if this is the cause of your problem. Replace it if it is defective.


High Voltage Capacitor

A capacitor is an electrical device which stores electricity. A defective capacitor may be why your microwave is not heating but you are hearing a buzzing or humming noise. The capacitor will have to be tested to determine if this is the cause of your problem. A defective capacitor will have to be replaced before your microwave will work again. Make sure you discharge the capacitor before you test it, though.


Magnetron

A defective magnetron is the third possible cause of why your microwave is not heating, but you can hear a buzzing noise. Test your microwave's magnetron. Replace it if it is defective.


Thermoprotector If the microwave doesn't heat the thermoprotector may have tripped. This is a safety device to prevent the microwave from overheating. It can be tested for continuity to see if it's blown.

Main Control Board If the microwave doesn't heat the main control board may be defective. This is not common. When a microwave doesn't heat the problem is usually within the high voltage circuit; either the high voltage capacitor, diode, transformer or magnetron.
High Voltage Transformer If the microwave does not heat, the high voltage transformer might be burned out. Microwave ovens produce a very high voltage in order to power the magnetron antenna, which emits the energy that cooks the food.
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Oct 01, 2012 | Microwave Ovens

1 Answer

Our new microwave heats the containers but not the food. Container is too hot to touch. Food "looks" hot, usually boiling - but food isn't even warm.


Check on the material the containers are made of. If they are not microwave friendly then they will cause problems.
Some materials are designed to "Roast" the contents by absorbing the energy.
Check with a Pyrex glass container and water. The glass should stay fairly cool.

Feb 01, 2011 | Whirlpool MH2175XS Microwave Oven

1 Answer

Take long time to Mack hot food


your magnetron is the heating element. it sends out microwaves that jiggle the water molecules inside the food causing them to heat. this is whats malfunctioning causing your problem. youll have to have a technician replace it

Jan 29, 2011 | Panasonic NN-T990SA Microwave Oven

1 Answer

Heating up a heat pack has caused the small


The plate MIGHT cover the waveguide that brings the microwave energy into the cooking cavity, This might be say an inch by two or three inches.

IF the plate has burned or discolored, then it may be carbonized and will continue to absorb the microwave energy and MAY cach fire.

You should service the unit and replace the part.

Running the microwave with too small a load in it can cause this and also if hot food/object touches the plate.

Nov 13, 2009 | Emerson Microwave Ovens

1 Answer

My ifb microwave oven is getting hot outside while


Normally when u cook food in microwave the fod is cooked by microwaves, which means the heat is generated with in food. The temperature inside is never too hot and all the heat produced is absorbed with in the food.

On the other hand when the grill is switched on, a separate heatting element gets switched on. You can see this red hot element on the top side of inside of microwave. the heat from this element gets transferred to food through air circulation. But partof heat also gets transferred to the walls of microwave oven. This is the reason the wall feel hot during use of grill.

As i see ther is no problem with the microwave itself. Jut kep delicate thngs a bit away from the microwave.

Oct 17, 2009 | LG Microwave Ovens

2 Answers

Microwave doesn't heat up


There are three solutions (source) =>

http://www.partselect.com/repair.aspx?appliance=microwave&part=no-heat

Power Diode

A diode is an electronic component that readily passes current in one direction only and blocks the flow of current in the opposing direction. If your microwave's diode has become defective, your microwave will not heat and you will hear a buzzing noise. Test the diode to determine if this is the cause of your problem. Replace it if it is defective.

High Voltage Capacitor

A capacitor is an electrical device which stores electricity. A defective capacitor may be why your microwave is not heating but you are hearing a buzzing or humming noise. The capacitor will have to be tested to determine if this is the cause of your problem. A defective capacitor will have to be replaced before your microwave will work again. Make sure you discharge the capacitor before you test it, though.

Magnetron





A defective magnetron is the third possible cause of why your microwave is not heating, but you can hear a buzzing noise. Test your microwave's magnetron. Replace it if it is defective.

Dec 31, 2008 | Microwave Ovens

1 Answer

Would not heat, now outside gets hot


yes! , this is dangerous , be cause it sounds like the magnetron that sends out the microwaves may not be controlled , thus heating the outside and will be sending waves out of the microwave!
you will need a qualified electronic repair shop to deal with this, these microwaves are very dangerous and that unit should not be used untill it has been fixed , for the safety of you and anyone who uses or is around when in use.
these microwaves that are sent across the air to heat the food is burning it and it can do the same to you or any one who is around it while in use
even when in working normal conditions the waves still leak out some , so i always walk away when heating food in the microwave and i advise others to do the same
so the magnetron will need replaced and maybe another component but it needs to be tested to make sure nothing else is damaged also
hope my help has pleased you and that you can give me a fixya rating( all others hurt our rating) as i work on these and i know the symptoms that happen and the causes
again hope you can give me the fixya! , thanks , and if you need any other help, just ask me!

electech

Nov 10, 2008 | LG LRM1230W Microwave Oven

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