Frank Hamann Posted May 11, 2022 Share Posted May 11, 2022 I have a dn5591 bottle drop machine with a USA tech card reader. Every few days the machine locks up. It will not accept coins, bills or credit. The display says $3 credit but won't vend any selection. If I unplug the machine (reset it) the machine will work normally for several days but then have the same problem again. The card reader display says "disabled by vendor" when it is not working. How can I fix this problem? Link to comment Share on other sites More sharing options...
AZVendor Posted May 12, 2022 Share Posted May 12, 2022 Do you have the latest eprom on the logic board? Have you forced a firmware update on the USAT reader? Link to comment Share on other sites More sharing options...
Frank Hamann Posted May 12, 2022 Author Share Posted May 12, 2022 The usat is latest, I have to check the dn version. This is a intermittent issue. I am thinking of replacing the usat , with nyax? Link to comment Share on other sites More sharing options...
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