Answer Hello Alberto. 1. Check sensor WP4451665 connection. 2. Measure sensor resistance (1080W at 21° C (70° F). Add 2W per degree.) 3. If resistance is not valid, replace sensor. 4. If sensor resistance and connections are good, then the oven cavity temperature must have exceeded a safe level. Check for welded-closed relays on the control 8186024. Read More... Answered by AppliancePartsPros.com | Thursday, September 1, 2011