Answer Greetings and thank you for your question John. If the socket does not receive 120 Volts AC when it should, the failure would be in the oven control WB27X49189. However, if the socket does receive 120 Volts AC, the failure is likely within the light bulb 40A15. Read More... Answered by AppliancePartsPros.com | Wednesday, April 16, 2025