Rowe changer problems

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Weird error message "$1 PAY 4 0 0".  The changer would steal money and the coin dispenser would not run.  Swapped out the coin dispenser and it started working.  Then the the bill stacker started just running.  Back and forth, back and forth.  I guess the stacker is having problems or the computer is messed up so I just unplugged the stacker.  Then the changer started working fine.

Vacuum problem

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Apparently all the wire harnesses need to be connected for the vacuum to work correctly.  I guess it fell out?  This caused all the buttons to not work and the machine to steal money.