Question about GE JE620 Microwave Oven

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Ge sensor microwave won't heat. After having several bags of popcorn burnt in it, the thermostat melted. Replaced the thermostat, now won't heat.

The connections were melted to the top of the thermostat. I replaced the thermostat. Now it works, but does not heat. Could it be the Magnetron?

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  • GE Master
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Possibly, but I would first suspect the connector that goes to the thermostat, since you say it melted.

You should cut back both wires an inch or so until you get bright shiny copper (not dull or pinkish color).

Then install new connectors. They're usually standard 3/16" or 1/4" crimp-on fast-on type connectors. You should be able to get connector from places like Walmart, Radio Shack or an automotive store.

There's a YouTube video (not mine) showing how to crimp connectors here.

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

Posted on Jan 10, 2013

  • jeff brown
    jeff brown Dec 08, 2013

    but, what caused the wire to melt in the first place? i have the same problem. i am afraid that if i replace the thermostat it will just melt again.

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SOURCE: Will not pop popcorn without burning it

use Orville Rickenbacker ah you know who lol set it for five minutes when you hear it slow take it out works for me no the oven don't need repair popcorn's tough the best way i know to make popcorn is an electric skillet yum yum

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Posted on Sep 07, 2011

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Ge md# 3670


if you are familiar with Micro oven servicing follow these steps

.Repairing a microwave oven is a dangerous task. The high-voltage potential combined with the high-current capability of an operating microwave oven pose a deadly threat to a careless worker
1.Shorted Magnetron tube.
2.Replace Magnetron tube
3.Check Built-in surge protection on printed circuit board has opened. This circuit consists of a fine foil pattern (or filter coil - depending on the model) that acts to fuse the primary side of the low-voltage transformer.
4. Rebuild the surge protection circuit. Replace the varistor
5. Magnetron filament connectors have loosened and, due to resistive heat, the terminal connections have deteriorated and burned off.
6. Repair defective terminals as follows:Either (1) Cut away burned wire, clean the magnetron terminals, and replace the slip-on connectors, or (2) Cut away burned wire and connector(s). Clean terminals to prepare for soldering. Solder filament leads directly to magnetron terminals. Be careful not to apply soldering heat any longer than necessary
7. Check for Weakened fuse clips in the fuse receptacle causing fuse to melt due to resistive heat. Usually indicated by a bead of solder leaching out from either endcap and/or evidence of overheating (or burned spot) at the endcap, fuse clip, or terminal connection

8. Replace amp fuse and receptacle. Generic fuses and fuse holders are available at appliance and electronic part suppliers.
9. Contact service center .. all the best ..thank you

Dec 23, 2007 | GE JVM1640 Microwave Oven

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I have a sharp p-651zs microwave and it does not work I opened the back and found a small switch type thing on top of of the magnetron with two wires ,it is not conected to the magnetron. Can you t


That is probably a thermal safety. Be glad it did not turn on with the covers removed you can cook your self very quickly unless you are trained in servicing them.

Dec 06, 2014 | Sharp Microwave Ovens

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Microwave popcorn


Could be your KitchenAid microwave only works with bagged popcorn.

Jan 22, 2014 | KitchenAid Microwave Ovens

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GE Profile Spacemaker XL1800 Magnetron failed and replaced but now it heats too much for one touch sensor buttons...Basically the unit stopped heating. I replaced the Magnetron. I test by trying to pop...


You probably just have a bad humidity sensor (aka gas sensor).Also be sure the internal cooling fan is running. That's critical.
We have a sound clip of what a microwave should sound like when the cooling fan and high voltage section are working.
To access and replace the sensor, you may need to remove the oven from the wall.
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 find handy exploded views and order parts by model number here.
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.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Oct 21, 2011 | GE XL1800 1100 Watts Microwave Oven

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Have a kitchenaid microwave KHMS2040WSS brand new. Is there a way to set the popcorn sensor for a smaller bag? Right now it is set for 3.5oz and burns all the popcorn.


I have never seen a microwave that doesn't burn popcorn if you use the "popcorn" button. Why the manufacturers keep putting them on I'll never understand. There's nothing you can do change the presets on an oven since they are built into the controller. Instead of relying on the oven, you should follw the directions on the bag. These tell you to use high power, stay by the oven and stop the cooking when the time between pops drops to 1 or 2 seconds. Stored heat will continue to pop kernels for a bit, and you won't cremate your popcorn. You'll also avoid the possibility of the bag catching fire and damaging the oven, which I have seen several times. Finally, don't expect 100% of the kernels to pop. There wil always be a few duds, and extending the cooking time just results in burned popcorn.

Jun 05, 2011 | KitchenAid KHMS2040W Microwave Oven

1 Answer

Everything works on my ge jvm2070 microwave oven but it will not heat anything up


If everything works, but the microwave oven does not heat, this is commonly caused by a failed magnetron. The magnetron is the heart of the microwave oven and produces the RF energy that is required to heat your food. In order to replace a defective magnetron, you will need to consider the following:

1. You will need to uninstall the oven from over the range in order to replace the part (you will need to do this anyway, if you decide to buy a replacement oven).



2. Ensure the oven is UNPLUGGED before servicing anything inside the cabinet and remove the exterior case in order to access the magnetron. There are several websites that you can use that illustrate how the oven is assembled:


searspartsdirect.com
pcappliancerepair.com
appliancepartspros.com


Repairclinic.com is another great website for parts, and has part illustrations/photographs, but does not have the exploded view to show how the appliance is assembled.


NOTE: If you've never repaired an appliance on your own before, a microwave oven is usually not a recommended appliance to start with. Some models can be rather involved in taking apart.



3. The magnetron replacement cost will depend upon the MODEL NUMBER and generally costs around $100.


4. Some model microwave ovens have a thermal cut-out (TCO) associated with the magentron circuit, and/or oven cavity. If these small thermostats trip, they usually render the ENTIRE oven inoperable. The lights would not work and the carousel would not turn. You will need to remove the thermostat from the oven (if equipped) and take a resistance check across the component terminals to determine if it is good or not. A low resistance reading indicates a good thermostat. An infinite reading, indicates a blown thermostat and needs to be replaced. The average replacement cost is about $10. I would recommend you check any fuses associated with the oven before assuming the magnetron has failed.
NOTE: In the model you have listed, here is a list of components you may want to check (refer to the parts diagrams listed at the websites provided):
Item 88 Magnetron part# WB27X10735
Item 90 Thermal Cut-Out part# WB27X10166*
Item 111 Thermostat part# WB27X10195*

*I would recommend checking the Magnetron TCO and Thermostat, first. These parts are fairly inexpensive and are more likely to cause the symptoms you're experiencing. If these components don't solve the problem, then you probably have a blown Magnetron.


Use your appliance model number and review the parts illustrations at the recommended websites to identify and locate parts, and to see if this is something that you may be able easily take apart and reassemble.



If you have any questions, please post back and let me know. I hope you find this information helpful.

May 03, 2011 | GE JVM2070 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

My microwave suddenly stopped heating. . .what could be the problem?


If everything works, but the microwave oven does not heat, this is commonly caused by a failed magnetron. The magnetron is essentially, the heart of the oven that produces the RF energy that is used to heat your food. In order to replace a defective magnetron, you will need to consider the following:

1. You will need to uninstall the oven from over the range in order to replace the part (you will need to do this anyway, if you decide to buy a replacement oven).

2. Ensure the oven is UNPLUGGED before servicing anything inside the cabinet and remove the exterior case in order to access the magnetron. There are several websites that you can use that illustrate how the oven is assembled:

searspartsdirect.com
pcappliancerepair.com appliancepartspros.com
NOTE: If you've never repaired an appliance on your own before, a microwave oven is usually not a recommended appliance to start with. Some models can be rather involved in taking apart.

3. The magnetron replacement part number for the model you have listed is WB27X10305. The average cost is about $80.
NOTE: I found the part listed for the best price at appliancepartspros.com at a cost of $76. This model also has a thermostat (bi-metal) that if tripped, will also cause the oven not to heat. The thermostat acts as a fuse if the magnetron overheats. The part number is WB27X10788. You will need to remove the thermostat from the oven and take a resistance check across the component terminals to determine if it is good or not. A low resistance reading indicates a good thermostat. An infinite reading, indicates a blown thermostat and needs to be replaced. The average replacement cost is about $10.
Review the parts illustrations at the recommended websites to see if this is something that you may be able easily take apart and reassemble.

If you have any questions, please post back and let me know. I hope you find this information helpful.

CAUTION: DO NOT operate a microwave oven with the exterior cover off. The voltage inside the High Voltage network where the magnetron is installed can exceed 3,000 volts!

Dec 01, 2010 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

Light goes on, turntable rotates, time on displays counts down as per setting -- but no cooking. Nature of problem??


If everything works, but the microwave oven does not heat, this is most commonly caused by a failed magnetron. The magnetron is essentially, the heart of the oven that produces the RF energy that is used to heat your food. In order to replace a defective magnetron, you will need to consider the following:

1. You will need to uninstall the oven from over the range in order to replace the part (you will need to do this anyway, if you decide to buy a replacement oven).

2. Ensure the oven is UNPLUGGED before servicing anything inside the cabinet and remove the exterior case in order to access the magnetron.
There are several websites that you can use that illustrate how the oven is assembled:
searspartsdirect.com pcappliancerepair.com appliancepartspros.com
NOTE: If you've never repaired an appliance on your own before, a microwave oven is usually not a recommended appliance to start with. Some models can be rather involved in taking apart.
If the model number you posted this question under is correct, the magnetron replacement part number is WB27X10682. NOTE: This model also has two internal thermostats that, if tripped, could give you the same symptoms. The thermostat acts as a fuse if the oven cavity or magnetron overheats. The part numbers are as follows: Cavity Thermostat: WB27X10683 Magnetron Thermostat: WB27X10567 You will need to remove the thermostat from the oven and take a resistance check across the component terminals to determine if it is good or not. A low resistance reading indicates a good thermostat. An infinite reading, indicates a blown thermostat and needs to be replaced.
I would recommend you check both thermostats, first as the replacement cost is much less than the magnetron.


Review the parts illustrations at the recommended websites to see if this is something that you may be able easily take apart and reassemble.
If you have any questions, please post back and let me know. I hope you find this information helpful.
CAUTION: DO NOT operate a microwave oven with the exterior cover off. The voltage inside the High Voltage network where the magnetron is installed can exceed 3,000 volts!

Oct 27, 2010 | GE Monogram ZE2160SF Convection /...

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