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Vending help


Sunnyb

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Um, what model of bill acceptor do you have?  If this issue just suddenly developed then you probably have a bad bill acceptor.  The only way to find out is to put another know good working bill acceptor in and see if the same thing happens.  If so then it's a bad logic board in that crappy imported POS.  If you just put the bill acceptor into the machine then you may have the interface switches set wrong.

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Sounds like this DBV or the board has a "PPD" or "pulse per dollar" setting.  Currently it seems to be set for 4 pulses / dollar. Those are commonly found on non-vending coinage like the MEI "AE" series.  I'd look for a dip switch on the DBV or a setting on the board.

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