When you turn it on do any of the lights on the front control panel light up?
Ok when you press the start button do you hear any beeps from it?
Have you checked the child lock isnt turned on?
If you press and hold the buzzer button and the start button together it will either turn the child lock on or off. Check that and see what you find as well.
Child lock was activated. Glad to hear its sorted again and thanks for letting me know how it went.
If you could remember to rate the answer that would be great.