You may have the bolt pin in wrong. If it's not in the correct spot, it can sometimes prevent the ram from cycling.
Your dwell setting may have gotten set too low by mistake. It's actually a simple mistake to make using the stock board. Double check it.
Your battery may be a dud, despite being fresh.
DM7 eye covers wanted. Black or silver dust.
F/S Mint Ltd. Infamy Creed. No name no number on this gun.
F/S Bob Long protege, red with black.