Question about GE JVM1850 1000 Watts Microwave Oven

1 Answer

Does not heat food

I believe I need to replace the magnetron?

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  • GE Master
  • 9,047 Answers

If the inside light, cooling fan, and turntable all come on when you press "Start" to cook, but it does not heat, then you have a defective high voltage section part (HV fuse, magnetron, etc.)

If the above 3 components do not all come on when you try to cook, then it\'s probably just a bad bottom door switch or mount.

My help file on door switches is here.

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




Does not heat food - mini_manual_behind_grille_small.jpgdee77f7.jpgAt
we have a video
available showing how to remove a typical
over the range control panel assembly in under 5 minutes.



This additional disassembly information may apply:

Be sure the oven is unplugged.

There are two Phillips head screws on the very top of the outside of the cabinet above the vent.

When they\'re removed, slide the hood vent grille to the left about 1/4", then then pull it forward.

(There are three L-shaped clips that fit into a slot to hold bottom of the vent)

Then remove one screw (which holds the control panel in place) near the top of the control panel.

Once that screw is removed the panel tilts out so you can disconnect the wires and then slip it out.

Be sure to mark and/or photograph your wires so that each one gets back exactly where it was after the repair.

Reassembly is accomplished by sliding the L-shaped keepers in place, then sliding the vent grill to the right and pushing it into place.

You can find
helpful exploded view diagrams and order parts by entering your full
model number from the tag on the oven
here.




We\'re

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

Posted on Nov 28, 2012

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6 Suggested Answers

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Posted on Jan 02, 2017

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SOURCE: JVM2050 Doesn't cook food sometimes

Not the magnetron if intermittent. Probably a bad smartboard. Easy to replace if you know the basic precautions to take.

Posted on Mar 29, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: Everrything works - food does not heat up - two fuses OK

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.

You can usually find helpful exploded view diagrams and order parts by entering your full 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.

Accessing some components for testing will require you 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 download GE owner's manuals and installation instructions here.

It is vital that the cooling fan runs, or the magnetron will be destroyed.

When I say internal cooling fan, I do not mean the hood vent exhaust fan which you can turn on and off manually.

So verify that is working before you take the unit apart.

We have a sound clip of what a microwave should sound like when the cooling fan and all are working here.

Here are some links you or someone you know can use (in order given) for test help, but read the safety warnings first:

http://www.gallawa.com/microtech/diode.html
(if it is NOT shorted or burned , it's probably fine)


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

http://www.gallawa.com/microtech/mag_test.html
(continuity can be good even though it is bad!)


If you need further help, please write back with the results of your tests.

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

Posted on Jan 03, 2009

  • 17 Answers

SOURCE: Microwave Magnetron tube has arced

REPLCE THE MAG TUBE AND ***

Posted on Feb 08, 2009

  • 3 Answers

SOURCE: The guys here gave me good advice and that I

DO NOT!!!!!!!!!!!! undertake this job unless you have a pair of discharge leads and you know how to discharge this appliance the capacitor holds a charge large enough to kill you for about a month

Posted on Sep 28, 2009

heatman101
  • 43501 Answers

SOURCE: kenmore model number 721.80593400 everything

Hi,


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

Basic
Microwave Oven Troubleshooting Tips

heatman101

Posted on Jan 04, 2011

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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.


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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.


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