Just got a WPT and had to pull the head off to get it home. Everything was working fine before disassembly, but now that It's been put back together, the ace in the hole bars aren't working properly. Once a ball gets locked behind the gate, it pops a ball into the shooter lane... but then the gate opens immediately and lets the ball out. If I am able to start the ace in the hole multiball (with both balls on the playfield), it often will turn into a 4 ball multiball as it pops a couple more balls out and auto launches 'em. (Though, if one ball drains prior to getting the AitH multiball, it doesn't pop out more balls). The two optos on the gate test OK as do the switches in the trough. Anyone have an idea what the issue could be?