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DN 368/8


nrod7

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The machine has a 24 volt mars dollar validator ( 2500 series) and a Coinco mdb coin mech.

 

Vend price is .75.

 

If, I insert change the machine will dispense the product. with no issues.

 

If, I insert 1 dollar bill the machine will dispense the product, but it will not drop the .25 cents in change.  Also, the LED will reflect the .25 cents credit. 

 

if I push the coin return, then it will drop the change/credit.

 

 

I have already swapped out the DBV, the coin mech, the harness and checked the three fuses on the mother board.  I am stumped.

nrod7

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Sounds like the programming is set to multi-vend, it allows the credit to be held for a second purchase unless the customer ends the transaction by pushing the coin return.  Customers never understand it.  Check your programming menu and set to single vend.

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