Question about GE JVM1650 1000 Watts Microwave Oven
HI. in most cases, this will lead to a failed Heating device(magnetron tube).It would be wise to check the Magnetron cutoff fuse to be sure of its integrity. if the fuse is blown, simply replace it. if the fuse continues to show continuity, replace the magnetron.
(((The fuse is located inside the unit along side the magnetron)))
Posted on Jul 30, 2009
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Posted on Jan 02, 2017
SOURCE: microwave will not heat
Had the same problem--the timer would even count down. The magnetron fan would not turn on, and the microwave would not heat. Checked out several components, but ended up being just the door latch out of adjustment! Be sure to discharge the capacitor before messing around in there. It keeps a charge even when unplugged. Short out the unused terminal on the capacitor to a screw in the chassis, using a short length of insulated wire.
Posted on Sep 13, 2007
should be a "mini-manual" (tech sheet) hidden inside the unit
control panel or hidden on the left side behind the grille, which is
very helpful when troubleshooting, testing, and locating components.
You can usually find helpful exploded view diagrams and order parts by entering your full model number here.
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.
Accessing some components for testing will require you 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.
It is vital that the cooling fan runs, or the magnetron will be destroyed.
When I say internal cooling fan, I do not mean the hood vent exhaust fan which you can turn on and off manually.
So verify that is working before you take the unit apart.
We have a sound clip of what a microwave should sound like when the cooling fan and all are working here.
Here are some links you or someone you know can use (in order given) for test help, but read the safety warnings first:
(if it is NOT shorted or burned , it's probably fine)
(continuity can be good even though it is bad!)
If you need further help, please write back with the results of your tests.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
Posted on Jan 03, 2009
check the high voltage diode inside the unit,its connected to one leg of the high voltage capacitor and the other side to the metal shell of the unit,if this opens you don't get the high D.C. voltage necessary to operate the magnetron,be careful,the capacitor can store up to 2100 v.a.c.so discharge it first to be safe
Posted on Mar 18, 2010
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