Question about GE JVM2070 Microwave Oven

1 Answer

I have a GE JVM2070 microwave oven that runs for a few seconds and then shuts down. I was told by a repair person that it was the smartboard. I replaced it ($200) and same problem. When it shuts down some times it goes back to the regular display, sometimes it resets to 88888, sometimes just the time changes. The trouble shooting guide which I found the other day indicates it is the High Voltage Capacitor but I haven't checked that yet. I now have $380 sunk into chasing this repair. I should have just purchased a new microwave. Any thoughts?

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  • Craig Hamilton Jun 20, 2013

    You were right on. The magnetron was the problem. I should have come here first. You're a rock star!!!!

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  • GE Master
  • 9,047 Answers

Sorry you found an ignorant repair person!

You have a failing (noisy) magnetron.

You should first return the unneeded circuit board.

Then see this FixYa solution even though your model number is different.

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

Posted on Jan 17, 2013

Testimonial: "I tried the test you recommended and it works with the panel swung down. I have not replaced the magnetron yet but will order one. I understand from other posts that GE will not send you a replacement even if it is under warranty. Is there any chance the diode or capacitor could be faulty as well? Thanks for the advice, you're spot on."

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Posted on Jan 02, 2017

MicrowaveSvc
  • 9047 Answers

SOURCE: GE over the range Microwave shutting off

This is often due to a defective or loose magnetron causing electrical interference and disruption in the control circuit board.

If your magnetron was recently replaced, it may have loose mounting nuts or bolts or the wire mesh RF gasket was not installed or got pinched.

It may also need a new high-voltage diode and stirrer, and the cavity may be affected.

GE had a campaign (but not a recall, mind you!) covering several models.

Details are in their bulletin at http://207.234.249.73/mwd/ge_mw_mag_kit_bulletin.pdf

The parts kit (that GE used to pay for) is part # WB27X10489 and is shown in the photo here:

http://207.234.249.73/mwd/wb27x10489_ge_mag_stir_kit.jpg

If you or a friend decide to look into it, we have critical information on safety, disassembly and door switches at our site, and our link is at our listing here on FixYa: http://tinyurl.com/yzjozk

You can find helpful exploded view diagrams and order parts by entering your full model number here: http://tinyurl.com/gv383

You say this is only 2 years old? I thought these models were much older... GE may cover it, but you'll have to contact them.

GE Customer Service is at http://www.geappliances.com/service_and_support/contact/

We're happy to help and we appreciate your thoughtful rating of our answer.

Posted on Jan 13, 2008

SOURCE: Microwave shuts off after a few seconds

were are all the problem solving suggestions??!!!! I am renting a house and this is happening to the spacemaker above the oven. This site sucks!! All these problems and not one answer to help point us in the right direction. WHAT THE ****!

Posted on Oct 15, 2008

  • 107 Answers

SOURCE: oven shuts down after a few seconds into cycle time for cooking

The magnatron (heating element) is located in the cavity behind the control. If it's leaking microwaves onto the electronics, this will occur. This means the Mag should be replaced and a radiation test run on unit.

Posted on Mar 15, 2009

MicrowaveSvc
  • 9047 Answers

SOURCE: GE Eterna Microwave stops after a few seconds, must reset clock..

The first thing I would suggest is a hard reset. Unplug the unit for a minute or so. Then plug it back in, set the clock and try again.

If that doesn't work, leave it unplugged for about 5 minutes.

Otherwise, this is almost always due to a defective or loose magnetron causing electrical interference and disruption in the control circuit board.


Details covering some previous models are in their bulletin here. Even if your model is not on the list, the same problem can occur.

If your magnetron was recently replaced, it may have loose mounting nuts or bolts or maybe the wire mesh RF gasket was not installed or got pinched.

NOISY MAGNETRON TEST (c) 2009 William E. Miller prototech@usa.net

(PLEASE do not be fooled into thinking that the procedure outlined at this link is a "fix". It should only be regarded as another test method to prove that you have a noisy magnetron which must be replaced.)

One way to test it is to do the following:

1. Unplug the microwave or turn off its breaker.
2. Open the door, then detach the control panel as shown in the video at http://www.microwavedisplay.com and swing it down, but without disconnecting the wires. If you have any trouble getting the grille off once the screws are removed, slide the hood vent grille to the left about 1/4", then then pull it forward. On some models there are L-shaped clips that fit into a slot to hold bottom of the vent.
3. Plug the microwave back in.
4. Make sure neither you nor anyone else reaches in behind the control panel. There will exposed high-voltage connections.
5. Put a few cups worth of water in a microwave-safe container and place it inside the microwave.

6. Shut the door.
7. Run the microwave for about 1 minute or so on full power. (Time Cook > 1 > 0 > 0 > Start, e.g.)
8. If it does not fail, try it several more times.
9. When the water boils, change the water and try again.


NOTE:
If your model does not have a door handle, you will need to unplug the oven and reattach the control panel to be able to open the door.


If it still does not fail, I would recommend that you put it all back together and keep using it until it fails more consistently, then repeat this test.

If it keeps failing while the board is in the down position, you either have a very leaky magnetron or possibly another problem.

So you can then get a Ziploc bag and insert a flat piece of aluminum foil into the Ziploc and close it.

Then (with the power off) tape it over the circuit board as best you can, covering it as much as you can, making sure it does not get snagged or punctured.

Then try the oven again. Do not leave this test shield in place as a "fix". It is not safe.

While a microwave should never be left running unattended under any circumstances (as your owner's manual will tell you) it's even more important when one is exhibiting a failure or any odd behavior. So play it safe and stay with it while it's running!

If you or someone you know want to replace the magnetron yourself, you will 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 download GE owner's manuals and installation instructions here.

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.

dee77f7.jpg

You can find helpful exploded view diagrams and order parts by entering your full model number here.

If it's within the magnetron portion of the warranty (usually 5-9 years) but out of the original full warranty (usually 1 year), then your manufacturer will cover the part cost, but not the cost to visit you or the labor charge to do the work.

Sometimes they will send you the magnetron to do it yourself. Call them at 888-239-6832.

Be persistent. You may have to speak with a supervisor.


If it is not within the magnetron warranty, you can find helpful exploded view diagrams and order parts by entering your full model number here.

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

Posted on Jul 25, 2009

MicrowaveSvc
  • 9047 Answers

SOURCE: ge spacemaker jvm1650sh01 starts to microwave then loses power

See this FixYa solution.

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

Posted on May 30, 2010

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We regularly repair such control units for customers nationwide by mail for $39.95 postpaid in about a week or so with a one-year guarantee.

Feel free to contact me directly (and please remind me of your full model number from the tag on the unit) for more information & help.

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