Question about Microwave Ovens
I have a GE Profile Microwave/Convection oven (model #JVM 1090). The convection oven is not getting hot. When I preheat the convection oven it starts up and gets mildly warm but it just keeps running and never reaches the desired temperature.
You probably have a bad thermistor.
You can usually find helpful exploded view diagrams and order parts by entering your full model number here.
(At that site, that part is misspelled as "thermister" for your model).
There should also be a "mini-manual" hidden inside the unit behind the control panel or hidden on the left side behind the grille, 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.
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.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
Posted on Jan 03, 2009
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Apr 19, 2012 | GE JVM1790 Convection / Microwave Oven
So this is acting like a temperature sensor and it seem that is giving wrong indication to the control panel and switch off the heater at wrong temperature.
So you should replace the thermister.
You can find this and all a other parts of your oven in this link.
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