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Microwave will not heat up. I heard it could be the magnetron or control panel. how do you access the magnetron? do you need to take the microwave out?

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  • Microwave Ovens Master
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Hi,
Yes, it could be the magnetron... and yes, you need to take down the microwave to get in there...but read the tip completely before trying to fix... your life depends on it!!

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

Microwave Oven Basic Troubleshooting Tips

heatman101

Posted on May 24, 2011

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Posted on Jan 02, 2017

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1 Answer

Fuse location


Good Afternoon Friend, that's a great question!

Depending on the model of your Frigidaire microwave, the fuses are typically on located behind the control console, on the magnetron or on the oven capacity. However, if your microwave does not heat, you may possibly have a faulty control panel, magnetron, or experiencing an issue with the power supply. Please confirm that your microwave is plug into its own outlet and that you are not using a GFI outlet. Hope this helps! - Z

Sep 01, 2014 | Frigidaire FGMV174KF Microwave Ovens

1 Answer

Microwave will run, but will not heat anything up.


maybe the magnetron on unit... there is a thermostat on the magnetron or right below it that will go bad.you will have to gain access to it behind the control panel... unplug unit and remove 2 wires that are attached to it .check to see if it has contuinity if it does then it is good.. the magnetron is a square device that actually heats the food in microwave while operating.the cost of the magnetron is sometimes expensive and the cost of repairs is almost worth replacing the microwave unless you have the mechanical knowledge to replace.... go to www.sears.com then hit the parts direct link on the top of the page.. you will have to enter the complete model number and then click on the parts diagram box find the part you need and price and availability... good luck to you...

Feb 19, 2011 | GE Spacemaker JVM1640SJ Microwave Oven

2 Answers

GE JVM1653BH01. Microwave will not heat. Ran for 5 minutes and didnt melt butter. All other functions work fine.


Sounds like a bad magnetron
From Sears $139.96 Itehttp://www.searspartsdirect.com/partsdirect/part-model/GE-Parts/Microwave-Parts/Model-JVM1653BH01/0432/0123370/G0703233/00001?blt=06&prst=0&shdMod=JVM1653BH01m # 73 on this diagram:

Jan 24, 2011 | GE JVM1653 Microwave Oven

1 Answer

It runs but no heat


common probelm with microwaves if everything is working on unit with the exception of the heat itself... then it is very possible the magnetron or the thermal fuse to the magnetron has failed... usually yoiu can access this behind the control panel/control board assembly and test with a volt meter ... the magnetron is what does the heating and is common failure based on your description of problem.... if it is magnetron then the cost is sometimes high to have replaced and will have to be weighed into option of replacement.... most magnetrons have a 3-5 year warranty so it may be beneficial to have a servicer look at it if still under warranty and you may only be out labor cost
good luck to you .....

Jan 20, 2011 | Frigidaire PLMV169DC Microwave Oven

1 Answer

I have a G.E. microwave that is 2 years old that won't heat up


most likely there is a problem with the magnetron or the thermal device connected to the magnetron...this is located behind the control panel ... if all the functions are working except heat most likely the magnetron has failed.... good luck to you

Jan 13, 2011 | GE JES735WJ Microwave Oven

1 Answer

Microwave won't heat. turntable works control


Hi! check the fuse that goes through the magnetron because i think it is no functioning.

Sep 10, 2009 | General Electric Microwave Oven

1 Answer

Not heating anything, very loud


Sounds like the magnetron has failed. This is the component that produces the microwave that heats the food. The cost of the magnetron is about 95% of the cost of a microwave . Most people don't, for this reason, replace the magnetron, they replace the whole oven which is probably what you will end up doing. There is a possibility that the circuit that provides power to the magnetron is faulty and you need to take it apart, find the proper electrical leads and test them with a volt meter. To do this you have to remove it from its mounting and take it apart. It is a fairly lengthy process however.

Benjamin

Jun 26, 2009 | Frigidaire 1.6 Cu. Ft. Over-the-Range...

1 Answer

No heat


HI, the magnetron has failed at this point. the pop you herd was from the magnetron tube. i would also check the high limit capacitor as well. it may have caused this pop as well.

I would replace the capacitor(high limit) and magnetron in this case.

The failed magnetron has been automatically confirmed by the no heating issue but, the cap may be on its way out soon.

Jun 17, 2009 | GE JVM1450BA / WA / AA 950 Watts Microwave...

2 Answers

Won't heat


Hello,

The Microwave's "Magnetron" is what heats things up. This is true for all Microwave's. The magnetron is normally on the left and sends excited electrons across the interior. Those electrons bounce around inside until their energy is spent.These excited electron 'waves' are slightly larger than the hole openings in the front door glass panel black grid. Usually, when a magnetron goes you would see and hear some popping and witness some arcing inside the interior. However, you may not have been nearby when this happened. Since you heard popping behind the control panel, you probably have electronic failure in the control panel and that failure may have been precipitated by the magnetron or not. In any case, it is very dangerous to disassemble a Microwave and access the magnetron unless you are trained and have been qualified to do this.

With the cost of Microwaves having stabilized and also being quite low compared to 20 years ago, I would take it to a warranty service provider in your area that also sells them, such as Home Depot for example. That way, if it is too costly to repair compared to a replacement cost you can shop for a new one and may even get a discount should you ask them to give you one.

Sorry for the apparent bad news but if you feel this is the answer you're looking for please rate this solution as fixed or helpful. It means a lot to those of us who work for you in the free area instead of for a fee.


You can phone or write this address below for questions regarding your warranty or warranty repairs. Othewise, you can shop online for a replacement at homedepot.com or sears.com

May 24, 2008 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

GE Microwave XL 1800


remove top cover of oven , check fuse and control unit, high voltage section and diodes and capacitor and magnetron,

Oct 28, 2007 | GE Spacemaker JVM1640SJ Microwave Oven

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