Question about Whirlpool GT4175SPS Stainless Steel 1200 Watts Microwave Oven

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There is power but it is not heating anything and after about 10 seconds it makes a very loud noise.

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If it's making a loud buzzing like sound it's the component that sends waves through the microwave. This piece is about $120 plus they charge about $65+ to install it. Also some charge the diagnostic fee of about $75. Either way, once a microwave goes out it's pretty much useless to repair one unless you have put a lot of money into it. We had ours to do the exact thing you describe and it was cheaper to buy another and me install it basically because I was getting another 2 year warranty as to the other had run out.

Posted on Jul 04, 2010

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We were using the microwave the other night and it started making a loud noise like the fan was running (although the fan was not). We let it sit for awhile and try to use it again but the noise came...


The loud noise and no heat means that the magnetron has failed. It the part that generates the microwaves that heat the food. When it fails it shorts out, causing the transformer to heat up. That is what was causing the burning smell. The cost of a replacement magnetron is around $130-150 range so it may not make sense to have it fixed.

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Our microwave oven started making a loud sound and quit heating


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GE JVM1650 Microwave Making Loud Noise


hello Frank. Sorry to tell you that the magnetron is going bad and making that terrible noise. Since the inside of a microwave, even unplugged has up to 2000 residual and deadly volts of electricity I recommend either calling a pro or replacing the unit.

Jul 12, 2009 | Microwave Ovens

1 Answer

Boiling waer under micro wave lots of steam into micro wave, turn on micro wave ,pop noise like glass miro wave comes on louder hum than normal no heat


Q - The microwave display counts down and the inside light is on,  but nothing is heating and the fan is not running.
A - This most commonly is a bad door switch, other possible problems are a faulty relay or solder joint on the power module, but a bad door switch is most common.
 Q - My microwave is running and sounds like it is working but will not heat up anything.
A - Many thing can do this but, common things are....loose high voltage wire.....poor solder joint on board.....magnetron.....power relay.....
Q - The microwave makes a loud "hum or buzz" noise but will not heat up the food?
A - 9 times out of 10 this is usually this is a bad magnetron, the other time is sometimes a bad high voltage diode. See components section.

Mar 03, 2009 | Amana Radarange Microwave Oven

1 Answer

My over the stove microwave will run however no heat. Popcorn digets do not count down but set numbers do. odd odor.



Q - The microwave makes a loud "hum or buzz" noise but will not heat up the food?
A - 9 times out of 10 this is usually this is a bad magnetron, the other time is sometimes a bad high voltage diode. See components section.

Q - My microwave is running and sounds like it is working but will not heat up anything.
A - Many thing can do this but, common things are....loose high voltage wire.....poor solder joint on board.....magnetron.....power relay.....
 Q - The microwave display counts down and the inside light is on,  but nothing is heating and the fan is not running.
A - This most commonly is a bad door switch, other possible problems are a faulty relay or solder joint on the power module, but a bad door switch is most common.

Q - The fan in my microwave oven is not running will this hurt my microwave?
A - YES, the fan cools the magnetron and electronics, take the microwave in for service, most fans are not too expensive to replace.
 

Dec 11, 2008 | Microwave Ovens

1 Answer

Microwave not heating and countdown lasts 20 seconds before stopping. put food in and start as normally do then it stops. Microwave is the genius 1200w.


It sounds like it is the "magnetron" has given up. In any Microwave there is a device called magnetron. This is the device which radiates microwave to heat up anything inside for set time.

Before the device gives up most of the time usually the microwave makes little bit of loud noise. Usually it happens when there is abnormal power.

Remedy: Any qualified technician should be able to replace it. The spare is available from the service centre of the manufacturer. In most cases spare is expensive and it is better off to buy another one.

Jul 16, 2008 | Microwave Ovens

2 Answers

Microwave makes loud noise and does not heat. Smell of light burning


yes anything can be fixed but a do it yourselfer i reccomend against this cause thats a radiated element in the micro
recommend go out and purchase a replacement go with G.E. they have the 7 year warranty great little micro. too change out is easy

Jun 02, 2008 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

Makes load noise and wont heat anything


I would first suspect a shorted high voltage rectifier diode or possibly a defective magnetron.

If the noise is just a loud buzz, I would suspect the diode. If it has more of a hollow sound - like someone gurgling into a coffee cup - then I would suspect the magnetron.

Here are some links you or a friend can use for test help, but PLEASE read their safety warnings first:

http://www.gallawa.com/microtech/diode.html
http://www.gallawa.com/microtech/mag_test.html
http://www.gallawa.com/microtech/xformer.html

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.

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