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Tom Johnston
Tom Johnston, Home Appliance Technician
Category: Appliance
Satisfied Customers: 8007
Experience:  20 years experience
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Why does my microwave arc inside It seems there are sparks

Customer Question

Why does my microwave arc inside? It seems there are sparks or bursts of lightning coming from that silver panel on the inside wall. It is a GE model JES1339WC 001.
Submitted: 8 years ago.
Category: Appliance
Expert:  Tom Johnston replied 8 years ago.

Is there a scratch in the coating if there is even a slight blemish it will cause it to arc.If the coating is scratched or chipped you need to replace the unit.It is a factory coating that can not be duplicated.



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Customer: replied 8 years ago.
I don't see any scratches on the silver plate. Just some slight crumbs etc. along the edge. No damage to the plate.
Expert:  Tom Johnston replied 8 years ago.
Check the walls on the inside.
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Customer: replied 8 years ago.
Everything seems to be clean and intact - no scratches or nicks anywhere in the interior. Doesn't do it all the time - seems to be just on high power, cooking things like popcorn. Hmmmm.
Expert:  Tom Johnston replied 8 years ago.
Silly question but you are using microwave dishs?
Customer: replied 8 years ago.
Yep, only microwave safe dishes or plasticware. I'll give the whole thing a good wipe down and see what happens. Thanks!