Im not origianal owwer of this older electric range oven. It usualy works fine, but I turned the clock or timers when cleaning, and now oven will not come on. Ive had this problem before, bu kept messing and turning and oven worked. I need manaul turn clock and start stop times keep turning off oven. I do not use them as they do not work correctly. Need to set so oven will come on when needed. Any suggestions?