Thermador Double Oven - Broiler comes on randomly during bake

I am having an issue when I am baking, the broiler elements come on. Sometimes this happens after the oven is on for a while and sometimes is starts out this way. I believe if I change the oven to broil and back to bake, it will fix it. I can't tell if this is a relay issue or a control board issue? or something else..

Thanks

via Thermador Double Oven - Broiler comes on randomly during bake
by bkahn