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Kelly
Kelly, Appliance Technician
Category: Appliance
Satisfied Customers: 19149
Experience:  Highly accurate diagnostician with over 30 years experience!
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Jvm1790sk microwave is buzzing than arcing. How do I fix it?

Customer Question

Jvm1790sk microwave is buzzing than arcing. How do I fix it?
Submitted: 1 year ago.
Category: Appliance
Customer: replied 1 year ago.
I just charged the capacitor.. No continuity from terminals to ground on either the transformer or the magn
Customer: replied 1 year ago.
Sorry ... de-charged the capacitor.. No continuity from terminals to ground on either the transformer or the magnatron or capacitor
Expert:  Kelly replied 1 year ago.
Hi, welcome to Just Answer. My name is ***** ***** I look forward to helping you! I suspect the magnetron has issues if it is arcing. The antenna sits in a cavity and there is probably burn spots in that cavity that are the result/cause of the arcing. If that is the case, the microwave will not be repairable. Remove the magnetron and inspect the antenna. Is it damaged with any signs of arcing?
Customer: replied 1 year ago.
I'll be back at it in a little while.. No arcing signs I'm sorry. But I'll take a look.. Non repairable?.. Can't I just change the magnetron if I find that it is arching?
Expert:  Kelly replied 1 year ago.
Not if the antenna cavity finish is damaged. If so, it will arc and destroy the new magnetron.
Customer: replied 1 year ago.
What finish? the interior is all stainless steel
Expert:  Kelly replied 1 year ago.
Where the magnetron antenna is.

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