Ryan for Model Number mh6150xms1 My microwave was working great. An hour later went to pop some popcorn and it started smelling like burn plastic not heating and making loud noise. Could this be magnetron?
Answer Hello Ryan. Yes, if the unit is making a loud humming/buzzing noise, you will need to replace the diode WP8205489 and the magnetron W10859575. Hope this helps. Read More... Answered by AppliancePartsPros.com | Friday, March 16, 2012