Question about Microwave Ovens
That would be the stirrer assembly. It consists of the stirrer motor, stirrer blade, and stirrer cover.
Without the stirrer in place, the oven will not cook evenly and may arc and spark.
Without the cover in place, food particles and grease can get on the waveguide and magnetron, and cause arcing damage.
You can find helpful exploded view diagrams and order parts by entering your full model number 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.
If you need to replace the stirrer motor, you'll probably have to pull the oven from the wall. You can download GE owner's manuals and installation instructions here.
If the cavity metal of the oven is chipped or charred, it will have to be sanded smooth and clean and dried thoroughly.
Then you can apply some high-temperature appliance paint, available from places like Wal-Mart, Lowe's or Builder's Square.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
Posted on Dec 08, 2008
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I would first advise you to check the waveguide cover. This is probbaly a large one, covering the ceiling of the microwave.
If there is grease or food debris on it or above it, using the microwave can cause it to arc and smoke.
Otherwise, it may be a problem with the high voltage transformer or magnetron. It would have to be checked.
If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk
You can find helpful exploded view diagrams and order parts by entering your model number here: http://tinyurl.com/gv383
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