Hi I have technika oven model T9412 and on the clock display it display -ALL and beeps non stop or forever and I can not press anything beacause it wont allowed me it only stop if u press in mean switched I want to know what wrong with it. after the Simonds installed itbefore we call technika beacause the clock is not working when you press and the technika mechanic change the mother board because his said its not working please let me know whats the problem. Thanks Maricor