Answer Hello Kelvin. If nothing is working, you will need to check and make sure there is 240 volts coming to the unit. If only the oven is not working, you may need to replace the control on the unit. 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 | Saturday, February 23, 2013