Answer Hello Sharon. First thing to check is the bulb to see if it is bad. If not, test for power to the bulb. If there is power there, replace the receptacle. If there is no power, see if the switch is bad. You can test this with a multi-meter TJMA-DMT3. Here is a link on how to use a multi-meter. http://forum.appliancepartspros.com/oven-repair-including-ranges-cooktops/4810-how-check-continuity-ohmmeter.html Read More... Answered by AppliancePartsPros.com | Thursday, November 7, 2013