When pushing the buttom for the oven to come on it's not coming on .
Answer Hello Karen. If it is not turning on and sending power, you will need to replace the control board on the u nit.
When replacing the clock/timer unit do I need to purchase also the overlay?
Answer Hello John. Yes, it is best to replace the overlay 316419103 with the clock assembly. Hope this helps.
The clock/timer holder clip broken.
Answer Hello Hoof! If you need the mounting bracket for the clock it is part number 316441600. Thanks!