Thermador C302U Electric Double Oven "lower light won 39" Questions

...lower oven and it begins to beep and displays a F9 on the digital display Hi F9 is a door lock error and to solve this issue you can hold the light switch for 15 seconds, this will reset the control. ...

won't shut off with out shutting off circuit breaker. Stove top keeps working okay, but broiler lights up as soon as oven is switched on and will not turn off with control panel. No error messages

lower one will not stay closed. Whether baking or not, the door seems to pop open just enough to turn the light on. We walk by and press the door closed and sometimes it might actually stay closed but

...lower element and put 120v to it, and it got hot but didn't glow. (I suppose it would glow with 208-240v.) I suspect the heat sensor #3148440, but I can't see where its lead goes so that I ...

lower oven is fine. We tried to reset upper limit switch, but that was not the problem. What next? I really don't want to have a tech come and replace an expensive part if it is something my handy

light but ignitors not pilots. I need a model number to verify. Also if the ignitor comes on just because it glows does not mean it is strong enough to open the safety valve and allow gas to enter the