Question about GE Spacemaker JVM1640SJ Microwave Oven
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Posted on Jan 02, 2017
Sounds like the problem is in the high voltage. Most common would be magnatron, capacitor and diode. For safety reasons this should be checked by a professional. Look in your owners manual because some high voltage parts have a longer warranty than 1 yr.
Posted on Oct 10, 2007
It's probably the high voltage rectifier diode or magnetron.
The magnetron will have a guarantee lasting about 5-9 years, so if it might be covered, contact GE at http://www.geappliances.com/service_and_support/contact/
If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info at our site, and our link is at our listing here on FixYa: http://tinyurl.com/yzjozk
You can usually find helpful exploded view diagrams and order parts by entering your full model number here: http://tinyurl.com/gv383
Also, there should be a very helpful "mini-manual" hidden inside the unit behind the control panel.
Posted on Dec 09, 2007
All the parts you mention are very inexpensive, but yours does not have a triac.
It could be the cook relay, but it's more likely to be a switch.
Looking at the schematic, it's probably a bad primary interlock (upper door switch) or maybe its mount is bad.
Even though a door switch clicks, it may still be bad inside.
Door switch or mount trouble is usually caused by slamming the door or by opening the door while it's cooking without hitting the Stop pad first.
There are plastic mounts inside the microwave which hold the door switches and onto which the door latches lock when you close the door.
The screws on these mounts may be loose. If they get too loose, the switches will not be activated properly.
Sometimes it's a broken tab on the switch holder, allowing the switch to rotate just out of position. This tab can be hard to see, since it is under the bottom edge of the switch.
If you have a broken mount, it's usually more economical and safer to just add a dab or two of hot glue to the mount to secure the switch. Let it cool for about 30 minutes before using.
Here are some helpful links:
You can find helpful exploded view diagrams and order parts by entering your full model number here.
There may also be a "mini-manual" hidden inside the unit behind the control panel or elsewhere, which is very helpful when troubleshooting & testing.
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 only need a switch, you can order a universal type here for $5 postpaid.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
Posted on Jan 23, 2009
I have a GE Over the oven microwave Model JVM1660BB. When heating it had started making a low humming noise. I could open the door and then close it, and the noise stopped. Now the oven won't heat at all. the light comes and the fan works. Jimbo
Posted on Apr 28, 2009
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