Answer Mike, If the unit will not turn on then it is possible that the door switch is faulty. You will want to do a continuity test on the door switch. To properly assist you we will need your model number to help you with this. Please post your model number with a new question on the parts page. http://www.appliancepartspros.com/modelnumber_locator.aspx Read More... Answered by AppliancePartsPros.com | Wednesday, April 17, 2013