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Emerson Microwave is Sparking or Arcing

MW8111SS

The 1 most common part(s) or condition(s) which cause the symptom Microwave is sparking or arcing are listed below starting with the most likely. Check or test each item and watch any available videos.

Grid is 1 inch square
Waveguide Cover - Part # 1094124 Mfg Part # C04

Waveguide Cover

RepairClinic Item # 1094124

If the microwave is sparking or arcing the waveguide cover might be damaged and shorting out. Try removing the waveguide cover and see if the problem goes away. If there are any damaged spots in the microwave ceiling or sidewalls, repair them and paint them with microwave oven paint. Replace the waveguide cover if it is burnt or if it will not stay in place.

 

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