Howard for Model Number 721.80019400 My microwave is arking sparks off of one leg of the connection of the magnetron. This leg also has the capacitor attached. I'm not sure how to troubleshoot a magnetron. Any suggestions?
Answer Hello Howard. You will need to replace the magneton and the diode and look for bad connections from the sparking. Read More... Answered by AppliancePartsPros.com | Wednesday, November 13, 2013