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Polyvend 6640


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I own a polyvend 6640 the board shutt down, and It was fixed already.

So I have to programme everything. The motors is ok.

I programed the messages but when I try to set the prices press the 5 button no message on screen.

What should I do first?

Any advice would be appreciated. 




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Probably a bad keypad if it doesn't recognize pressing the 5 button.  Those keypads are horrible to replace, if you can even get one now.  Test the keypad first and see if the 5 works for anything else.  If it does then you have a logic board problem because it won't work when programming the prices.

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