I thought cleaning the wave guide cover on both sides would solve my problems, but they remain the same. When using the microwave I’m noticing a blue arcing coming from the top cover inside.
While arcing it continues to heat food products with no problems. The arc doesn't reach inside the cooking area. And I didn't notice any burn marks on the wave guide cover either.
Any suggestions?
GE JVM1440WH01
Quite often this is due to grease or food particles stuck to the inside of the oven or stuck on or behind the waveguide cover.
The waveguide cover is usually about the size of a playing card and often held in place by a plastic rivet.
In some models it is the plastic ceiling.
It can be fragile, and the metal edges of the oven behind it can be sharp, so be careful!
The cover and the metal behind it should be cleaned with a mild, non-ammonia cleaner.
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.
If your waveguide cover is burned, it will need to be replaced.
If you need more specific help, please reply back with your brand and full model number.
We're happy to help and we appreciate your thoughtful rating of our answer.
William E. Miller, AS-EET
[email protected]
http://www.microwavedisplay.com
Everything clean, not the problem.
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I'm having the same problem with a GE SCA2001BSS 003, Arcing doesn't occur consistently, the waveguide is perfectly clean (in fact it's new). In our case, the waveguide was missing and we just put a new one in. We're not the original owners of the microwave, so we don't know for sure it was there before, but the waveguide is brand new.
I'll add the problem comes and goes. At times it works fine and other times I'm afraid to keep it running for fear I'll start a fire.
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Arcing inside cooking area
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