iv tried top and bottom dil 6 and both doors open i even read the manual lol it dont tell ya in there tho hmm weird another thing to change the stake and jackpot do i need 1 of them keys that plug in the com port thing cos i was just lookin at multi swith keydil sw number 6 on the top bank or the bottom turn off turn on new opts alarm let thing time out press start a couple of time should kick in
or try both doors open first