The unit will start beeping (NO FAULTS) when not in use

I have a Dacor wall oven above model #PCS130B. The unit will start beeping (NO FAULTS) when not in use.
I disconnected the key pad and it hasn’t returned. I had one of these recently and had to change the user board (on the control panel ) also.
Does anybody have the test procedure for the key pad on this unit.
Thanks in adavnce