Dan for Model Number JVM1850DM1WW My microwave is making a loud humming noise from the right-hand side and won't heat. Everything else works. Is this a transformer issue, or a magnetron issue?
Answer Hello Dan. Based on the information you provided, it sounds like the magnetron WB27X10880 and the diode are bad and will need to be replaced. Hope this helps. Read More... Answered by AppliancePartsPros.com | Thursday, December 29, 2011