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Yesterday morning when heating oatmeal (which I do almost every morning) the microwave started making a loud electrical zapping noise followed immediately by a huge amount of white smoke coming out of the front upper area just below the control panel. I immediately turned it off, opened the drawer and removed my food. Have not tried to use it again for fear of starting another fire. From my research here with other reviews as well as Houzz this appears to be a known issue at Sharp for this microwave model manufactured in the 2016 time frame. I purchased this unit in April 2016 and my Manufactured Date is Jan. 2016. I have reached out to Sharp via their online customer support center and will update this review as my claim progresses. 26JUN2018 Update: After contacting Sharp as mentioned above, I was informed my unit is outside of the 1 year warranty period and there is nothing they will do for me ("so you will be held responsible for the cost of repairs for the unit"). They could not provide me with an "Authorized" service/repair company in my area either. After pushing back saying that since this is a "known issue" at Sharp was there any way I can know that if I have the unit repaired at my own expense (which I am willing to do), that the part(s) used would not have the same defect and cause the same issue. I was told to have "the servicer look at the unit and its deemed unrepairable you can have the servicer send in photos along with an evaluation for further options". I really don't know what "further options" there might be at this point as Sharp does not appear to be interested in helping me here.