Maria L Long Beach , CA July 15, 2016 Sparks flying! The old cover wave guide had old food, debris on it and it created sparks in the microwave. The replacement guide and button I ordered from AppliacenPartsPros came in two days (just as promised) and fixe the problem right way, Thank you!!!! I am a returning customer and will keep coming back here for my parts needs. 5 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes