Question about GE Spacemaker JVM1640SJ Microwave Oven
My microwave has stopped heating things up Everything seems to be working
If the fan works then more than likely it is the magnetron. Rarely the transformer
Posted on Sep 23, 2014
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Posted on Jan 02, 2017
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
Does it make any noises that it didn't before it failed?? It could be a bad secondary interlock switch, cook relay on the PCB, HV circuit problem or bad magnetron. You need an ohm meter to troubleshoot. If you take the cover off, you MUST short across the High Voltage Capacitor terminals to discharge any possible residual charge to prevent shock hazard.
Posted on Sep 11, 2009
either your h.v. diode,h.v.capacitor, or the magnetron are faulty,the first 2 are reasonably priced, the mag can cost anywhere from $40 to $125
Posted on Oct 03, 2009
have, I would most strongly suspect a shorted high voltage rectifier
diode or a bad magnetron, or a loose and possibly corroded connection
on the magnetron's terminal.
The diode is a fairly cheap fix, and the mag will cost more.
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.
Here are some links you or someone you know can use for test help, but read their safety warnings first:
(if it's not shorted or burned, it's probably okay)
(it may pass the checks and still be bad)
You can find helpful exploded view diagrams and order parts by entering your full model number from the tag on the oven 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.
If 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 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 11, 2009
Testimonial: "Useful for future. Sears already has it. Saved your links! Thanks."
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