slicklex Posted November 15, 2015 Share Posted November 15, 2015 Hey I have been reading for a while and have a few questions maybe some can help me with. I have 2 Dixie Narco Coke DNCB 368 units from probably early 90's, they are both single price vend, both came with coinco 3340-sc coin mechs and MAKA NB bill acceptors. Both of the MAKA units did nothing at all no cycle or anything so I bought 2 used Coinco BA30B units and with wiring harness's. They both worked ok for a while but always had issues keeping the BA30B clean and running. I would totally disassemble the units and clean them like they were new but the one never worked right even though the LED stays solid and the other unit at times flashes 7 times for motor encoder. After reading on hear that the mei 2501 are a better choice then the BA30B I have looked into getting at least one them. I also looked at the MAG50B from coinco but I am not sure of the improvements of the MAG50B over the BA30B. I think the magnetic heads on mine may be part of the issue because the units are super clean inside and both pull the bill about 1 inch then reject it back out. The harness's for both the original MAKA and the BA30B plug into the acceptor then the other end plugs into the jones plug and then there is a 6 white plug that only uses 2 wires that goes to the coin acceptor. The harness's I see online for the MEI 2501 don't seem to have the jones connector on them and the white connector has 9 pins. I keep reading about 110v and MBD I am not to sure of the differences other then voltage. Since these machines have no electronics in them can you turn these into MBD or they will and must stay at the 110v I am very good with wiring and electrical if I have to make a harness, if anything I can cut one of my coinco harness with the jones and wire up to what ever acceptor I buy. What is my best choice for this unit 2501, mag50b,?? Anyone interested on 2 MAKA NB and a BA30B for trade =) Thanks for reading and any input! Link to comment Share on other sites More sharing options...
AZVendor Posted November 15, 2015 Share Posted November 15, 2015 If you'll email me at rbepic4gatgmaildotcom I can exchange these for you with good rebuilt units. You probably bought someone's 'clean and working' units that haven't actually been rebuilt. There is no way to turn the single price machines into MDB and going to Mars validators will require new harnesses so I'd stick with properly rebuilt Coincos. In addition, there's no value in any obsolete metal validators so re ycle them appropriately. Link to comment Share on other sites More sharing options...
lacanteen Posted November 15, 2015 Share Posted November 15, 2015 Harness for MEI well worth the $20.00 they cost new. Check your private messages for additional info. Link to comment Share on other sites More sharing options...
SCOTT1963 Posted November 17, 2015 Share Posted November 17, 2015 Don't backyard engineer harnessing, they are too cheap to be worth your time. Link to comment Share on other sites More sharing options...
slicklex Posted November 24, 2015 Author Share Posted November 24, 2015 Thanks for the few reply's... Well I ended up on finding a local vending company that was going out of business and selling off all there stuff... I ended up buying a fully refurb MAG50B and refurb BA30B and an unknown condition BA30B... I bought these for a great deal and the 2 were still in the packaging. So I got them home and hook them up and still have the same exact issues I had to begin with... I now have 4 ba30b and a mag50b all take a bill about an inch and then return it back out. All 5 units have solid red led and no fault flash. The mag50b is like brand new, I even took it apart just to double check and clean every sensor, the belts are brand new and still does the same thing. The coinco coin acceptor I have has plenty of quarters nickles and dimes. Is there anything else that would cause this, something I am over looking, could a faulty coin mech do this? I find it weird that 5 units all pull in then spit back out every dollar you try, even brand new dollar bills. Link to comment Share on other sites More sharing options...
AZVendor Posted November 24, 2015 Share Posted November 24, 2015 It is odd that 5 validators will do the same thing but not unheard of as you truly have no idea what condition these validators were in before you put them in. Are there any error code flashes on the backs of the validators as the bills are rejected? You need to realize that if the validator tries to take the bill then the machine vend circuit is enabling the coin mech and the coin mech is enabling the validator. The coin mech then waits for a credit pulse from it after a bill is validated. The coin mech is basically passive in this process as the enabling is a normal ready-state of the coin mech when it has sufficient change and the machine vend circuit is not impeding the acceptance of credit. Because your validators all begin to accept the bills then the issue is not with the machine or the coin mech. I doubt this but perhaps you have a switch set wrong in each of these units. Switch 3 is the pulse width that the validator looks for the pulse to come in on and then switch 8 is for $1 bills. The more I think about this the pulse width isn't in play here as the bills don't go in far enough for a credit pulse to be created. I think this is voltage related, IF the validators are good units (you just don't know yet if you haven't tried any in other machines). If the voltage to the validator isn't within 10% of 115v then the transport motors will run too slow causing a rejection of the bills. If you can confirm 115v to the validator then you could have a bad validator interconnect harness (you didn't say if you change it yet). Link to comment Share on other sites More sharing options...
SCOTT1963 Posted November 25, 2015 Share Posted November 25, 2015 could also be the upper or lower sensor board but the bottom line is test one on a machine that you know works. I do not like coinco vals and won't use them under any circumstances. Link to comment Share on other sites More sharing options...
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