Fruit Machine Chat

ive now had the whole hopper apart and cant find anything blocking anything and the disc spins if i turn it by hand i have not gone so far as to see all the cogs is it possible for there to be something in there many thanks.

brought my first fruit machine for the kids to play with got it home set it up and all was well then turned it off and left it for the night now i can only boot up in "free play" as when i normal boot it wont go past pay unit err 17 i have googled the error and a couple forums suggested ta...