Originally Posted by Gene
There are only two parts which can cause it. Did the refurbished your old control board or it was their replacement part? If it was their, it might be defective. Try to get another one from them.
It was a replacement refurbished control board, supposedly fully tested and operational.
Are you sure that the problem can only be caused by the control board or keypad? After all, this is Whirlpool equipment, and I do not have a lot of faith in them.