Answer Hello Bob. You will want to test the thermistor for resistance. 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 We will need your model number to help you with this. Please call 1-877-477-7278 or 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 | Thursday, April 12, 2018