Question about GE Spacemaker JVM1640SJ Microwave Oven
The lights all work, it looks and sounds like its working, but its not getting hot?
With the symptoms you describe, it's probably a bad magnetron.
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.
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.
You can find helpful exploded view diagrams and order parts by entering your full model number here.
Since 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.
Since it's under magnetron warranty, GE 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 you need other parts, etc., you can find helpful exploded view diagrams and order parts by entering your full model number here.
If you prefer to arrange service by an authorized service center, GE Customer Service is here.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
Posted on Oct 06, 2009
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Posted on Jan 02, 2017
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