Question about GE Spacemaker JVM1640SJ Microwave Oven

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Express Cook on GE Spacemaker Microwave works only sometimes

The Express Cook feature goes in and out. I can't find anything about this in the owner's manual or on their website. I'm trying to figure out if there's a way to disable and enable Express Cook or is their a technical problem.

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  • William Miller
    William Miller May 11, 2010

    Sorry, but subject line was too long and it got cut off.

    When you say "The Express Cook feature goes in and out" what do you mean?

    Are some pads on the keypad not responding or intermittent?

    Are there any error codes in the display?

    Is it coming on by itself?

    Please reply back with your model number so we can help you.

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5 Suggested Answers

SOURCE: GE Spacemaker Microwave JVM165OWB005--No more heat!

If you look at consumer affairs.com, there are many problems like this with GE microwaves. Not a good track record, experiencing problems with mine as well.

Posted on Apr 15, 2008

MicrowaveSvc
  • 8862 Answers

SOURCE: GE SPACEMAKER XL MICROWAVE OVEN JVM1440

Assuming that your internal cooling fan is working, I would suspect that your magnetron is failing.

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

There should also be a "mini-manual" 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.

I would check the cooling fan, then suspect the magnetron.

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

Posted on Nov 16, 2008

  • 140 Answers

SOURCE: Ge microwave model JVM1190WY buttons work but does not cook

The problem you are having with your microwave is a common one. Not heating is a problem that can be caused by three things. I'll list the most common solution first, the magnetron that actually does the heating is what is making that noise and has gone bad. It is possible for you to also have a bad high voltage diode that has opened up, solution two, or solution three is the high voltage capacitor is not working properly as well. From my experience with microwaves I am positive that it is your magnetron that is bad. If you are not do it yourselfer you'll need to take it to a repair shop to replace. However, if you know how to use a screwdriver and can unplug a couple of wires with spade terminals on them, then you can take it off yourself, find another one and replace it the same way you took it off. The magnetron sits behind the control panel of your microwave but on top. It has cooling fins on it and has 2 terminals maybe three depending and make and model that plug into it. It has 4 screws that are easy to get to that actually holds it in place. If you do not have a good local source like an electronic parts supply place then you can find the right magnetron at www.mwoparts.com. Be sure you always unplug the microwave before touching or trying to take the he cover off and then when you take the magnetron off also.Good luck and God bless.

Posted on Feb 11, 2009

MicrowaveSvc
  • 8862 Answers

SOURCE: GE Microwave turns itself off after a few seconds

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, I would suspect a "noisy" failing magnetron.

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

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.

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 13, 2009

MicrowaveSvc
  • 8862 Answers

SOURCE: GE spacemaker XL1400, Model number JVM1430WA 001

OOPS!

I meant to post that as a solution, not a clarification request, so it came out as one big blob paragraph (Thanks, FiyXa!)

Here it is again, but in readable form:


You have a failing membrane keypad.

If you (or someone you know) might want to replace it yourself, I have uploaded a handy guide with pictures showing you what's typically involved.

It is part number WB27X10171 and while GE sells it for a whopping $115.50, you can get it for $90.58 here.

You can also find helpful exploded view diagrams via that link.

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

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.

If you would like to have us do this repair for you, we do that for $39.95 plus part costs, in this case
$90.58 plus $8.95 shipping for a total of $139.48.

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.

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

William E. Miller, AS-EET
prototech@usa.net
http://www.microwavedisplay.com
Microwave Oven Control Panel Repair Nationwide

Posted on Jul 25, 2009

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