jerry1973 Posted June 16, 2016 Share Posted June 16, 2016 Hey guys, I have a usi 3053 that has been completely trouble free for 3 years. 2 weeks ago I got a call that it had stopped taking bills. When I arrived the LED was on (coinco 24 mdb unit) but the validator wouldnt even attempt to pull a bill in, so I replaced it with another coinco and all was well. Last week I got another call saying that the machine now won't accept any money at all, so I went back and the machine had some misc display that I didn't recognize, but when i hit the service button it said error 3 which was no communication of coin mech, so I replaced the coin mech and still nothing, I then unplugged the validator and still nothing, I then unplugged the coin mech and of course no change. I checked all the cables and they all appear in good condition. I unplugged all of them 2-3 times to see if maybe that would help with any connection issue in on the harness plugs, but nothing. One other issue that i noticed was that they keypad was unresponsive, I think all these problems are related starting all the way back at the validator, and I have the feeling that its a board issue, but wanted to see what you guys think? Link to comment Share on other sites More sharing options...
AZVendor Posted June 16, 2016 Share Posted June 16, 2016 It's probably a board issue since it didn't start and stay with only the keypad. Let me know if you need a board for it. Rbepic4gatgmaildotcom Link to comment Share on other sites More sharing options...
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