I have an EOP 15 Serial Number:1EOP240838 that displays code -1 on display, it has the EV-100 card, and the the control board it shows an H, the board model number is NA11007, from what i have researched is i need to put it into learn mode but don't know how, the whole order picker wont move. it also has some switches from 1-8 on the control board that can be flipped on and off and some were moved and i am not sure of their original position, please help. Thank You