Quoted from Roamin:Does the caster club have that metal "W" shaped wire preventing the ball from kicking out of the casters club? If it's missing then it's needed . If it's there, it needs adjusting so that after the ball bounces off the back of the casters club, the wire forces the ball to fall back in the vuk.
The drop target will only block the entrance when you've locked 2 balls for a double jackpot, making sure you won't lock the 3rd one. And then once you've collected the jackpot, it will close then and force you to hit it once (if difficulty is set to normal) or twice (if set to hard) before it drops down and allows you to lock more balls..
Not necessarily. Mine is set to difficult and it starts out in the up position at the start of a game, staying down to allow a ball to be locked.