Question about GE JVM1850 1000 Watts Microwave Oven

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My GE Microwave JVM1850 will not heat unless I put the vent fan on.

The unit runs and air comes out of the top vent but does not heat unless I put the vent fan on. Tried turning the fan on, starting the unit and then shutting the fan off a few seconds later and it will not heat. Will only heat while the vent fan is running.

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  • antoo varkey Mar 02, 2013

    let me know problemsolved or not? how/ -anto

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  • GE Master
  • 9,047 Answers

That's really odd. I don't believe I've heard of that one before.

I would suspect the problem is on your control board, which in most can be repaired simply and inexpensively.

A YouTube video showing how to remove a typical over the range control panel assembly in under 5 minutes, is here.

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

Posted on Dec 01, 2012

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  • Contributor
  • 1 Answer

Mine does the same thing, and so does my neighbor's. They are both GE that were installed when the homes were built back in 2011. I don't have the money to replace it, but my neighbor found out that it still works if you turn on the fan. it's been like this for about 4 months and still works, so obviously the magnetron isn't failing. and I read other posts about this same GE phenomenon that people replace everything from circuit board, to touch pad, to door latch and none of it made a difference. I think GE forgot to install the proper "fail system" all appliances have as soon as they are out of the two year warranty.

Posted on Jan 25, 2015

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Posted on Jan 02, 2017

localwonder
  • 6784 Answers

SOURCE: microwave buttons not responding - microwave running constantly with door shut

OK, you will need to replace the magnetron and the touch pad as well. this will fix this issue.

Posted on May 29, 2009

MicrowaveSvc
  • 9047 Answers

SOURCE: buzz, plastic smell and no heat

Chances are you have a magnetron that's failing. GE had a rash of "underperforming" magnetrons on these units. They replace the magnetron, stirrer and high-voltage diode at no charge for parts as long as a GE-authorized service center does the work. Sometimes the unit gets run too long in a failing state and the waveguide and chassis of the oven get damaged. The bulletin shows you where tyo check. To see if yours is covered, see this bulletin: http://www.microwavedisplay.com/ge_mw_mag_kit_bulletin.pdf Otherwise, you need to contact GE Customer Relations at 1-800-386-1215 as soon as possible and tell them your problem and they will put you in touch with a local authorized servicer.

Posted on Apr 11, 2007

SOURCE: New microwave; loud fan when heating items

Update: I took it back. After speaking to GE, they said that's just how it is, there is no way to silence or quiet it. I took it back and bought an LG. I love it!

Posted on Jul 01, 2007

MicrowaveSvc
  • 9047 Answers

SOURCE: GE spacemaker Profile XL1800 vent fan will not shut off

It may be a bad door switch, a loose door switch mount, or a problem on the control panel, such as a sticky relay.

I would suspect a sticky relay first, but the door switches should be checked.

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

If you need your control panel assembly (smart board) repaired, we do that for $39.95 nationwide.

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

Posted on Dec 02, 2007

  • 59 Answers

SOURCE: Heard a pop and now the unit does not heat

If the unit is not under warranty, I would probably buy a new one for a few reasons. First of all it sounds like it could be the magnetron, and replacing them can be expensive (after that you are going to keep replacing parts like the weakest link). Finally, they can be dangerous, so I would not recommend on working on them yourself. If you shop around on the Internet, you will find a replacement one for half the price. I know this is a negative answer, but it is probably the safest answer.

Posted on Apr 17, 2010

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No lit LED, No panel control. Vent fan, running


We regularly repair these control panels for customers nationwide with our guaranteed $39.95 service.

Full details of our service are at http://www.microwavedisplay.com.

Feel free to contact me directly 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
prototech@usa.net
http://www.microwavedisplay.com

Aug 14, 2008 | GE JVM1850 1000 Watts Microwave Oven

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Some buttons work, some don't.


The keypad may be bad. Most often they go bad due to moisture from cleaners being sprayed directly on them or steam from the cooktop when the vent fan is not used.

They can also go bad when the unit is stored in an unheated environment where there's a lot of air temperature change (hot during the day, cold at night, etc.)

It may also be some residue on the connections where the keypad plugs into the control board. Unplugging then replugging the keypad can sometimes clean them.

In other cases, a new keypad is needed.

If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info at our site, which is linked 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

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Microwave does not heat.


The magnetron is the device that puts out the heat. In these units, that's the most common cause of a failure to heat. BUT - many of these units are subject to a campaign under which GE will replace the magnetron, stirrer and high voltage diode free. Check the bulletin to see if yours is covered: http://www.microwavedisplay.com/ge_mw_mag_kit_bulletin.jpg Even if yours is not covered by the bulletin, it may have coverage of the magnetron. If you have questions, call GE Customer Relations at 1-800-386-1215 (8-6 ET)

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