Jim for Model Number GBD307PRB01 The other day the oven was working fine, then a day later the display is dark and when you hit the "upper oven" button and then start it makes sequential beeps (also beeps trying to start the lower oven). The light button turns on the light and it appears the timer works, though I cannot see anything. How can I determine if the control board is bad (part 8303883) or if it is a thermal fuse or the transformer? What should be checked first, second etc? Thanks
Answer Hello Jim, The thermal fuse and transformer are good or you would not get the beeping sounds. The issue here is the clock assembly WPW10438750. The sounds you are hearing where you stated that the unit is trying to start the lower oven is a relay trying to close. The low voltage stage of the control is the part that has failed. Read More... Answered by AppliancePartsPros.com | Friday, January 18, 2013