Out of the blue, I've found that my oven and broiler don't work. :eek: The gas burners still work. The clock and timer work. However, the digital display when I push bake or broil is blank, and these two functions are out of order. I don't hear any sounds, I just get no response. Any ideas where to start? I don't know how old this unit is because it was in the house we purchased 5 years ago. Thank you for your time!!!!!!!!!