Spencer Posted October 10, 2015 Share Posted October 10, 2015 Hi everyone! My school has an AMS 39-vcb 1-0904-0556 and im basically in charge of it. Over the past couple of weeks, Ive noticed things selling a little too quickly. I would fill it up, and like 30 mins later all the drinks in one isle would be gone and all the rest of the drinks would have maybe one or two gone. I thought maybe someone just liked the flavor but the next time I filled it up, I put a different flavor in it and sure enough, the same isle was emptied quickly. I tried seeing if someone figured out how to trick the sensor but I couldnt find anything. I just searched online and there are cheat codes or ways of hacking a vending machine but im not sure if they work on my vending machine and or how to prevent them. And its not just drinks, though its more noticeable (maybe because there are less). once, my cookie isle disappeared really quickly too. Does anyone know how to fix this? Or have an explanation? Thanks Link to comment Share on other sites More sharing options...
SchligVend Posted October 10, 2015 Share Posted October 10, 2015 Try disabling the guarantee vend .... there are ways to trick the sensors Sent from my SAMSUNG-SGH-I747 using Tapatalk Link to comment Share on other sites More sharing options...
CajunCandy Posted October 10, 2015 Share Posted October 10, 2015 Did you open machine and try counting money, or if CC check on reported sales. Then you know for sure if there using money or found a way to cheat machine. cajun Link to comment Share on other sites More sharing options...
lacanteen Posted October 10, 2015 Share Posted October 10, 2015 There also may be some other keys floating around, especially if the lock is a "shipping lock". What is the key number? Link to comment Share on other sites More sharing options...
Spencer Posted October 11, 2015 Author Share Posted October 11, 2015 Try disabling the guarantee vend .... there are ways to trick the sensors Sent from my SAMSUNG-SGH-I747 using Tapatalk Thanks. I'll do that if I cant find any other explanation. Did you open machine and try counting money, or if CC check on reported sales. Then you know for sure if there using money or found a way to cheat machine. cajun What is CC check? I've never done it before but ill try and look at reported sales. Thanks There also may be some other keys floating around, especially if the lock is a "shipping lock". What is the key number? I don't know if our lock is a "shipping lock" and I dont know the key number off hand, ill have to look on Tuesday. Thanks Link to comment Share on other sites More sharing options...
AZVendor Posted October 12, 2015 Share Posted October 12, 2015 Unless you have a Sensit 3 version machine you can't turn off the guaranteed vend so you might be losing product due to having the price set incorrectly or to zero for that selection. The Sensit 1 and 2 machines will go out of service if the vend sensor is not working. I also doubt that anyone with a key would only remove product from one spiral and if they are fishing up from the delivery bin they won't get more than one soda at at time, if any. My money is on an incorrect price. Link to comment Share on other sites More sharing options...
hoosier96 Posted October 13, 2015 Share Posted October 13, 2015 I had this exact thing happen with two used Sensit 2's I bought a few weeks ago. The drop sensors in both machines had a wire loose. Take the sensors out and check all the connections. Link to comment Share on other sites More sharing options...
Spencer Posted October 13, 2015 Author Share Posted October 13, 2015 Unless you have a Sensit 3 version machine you can't turn off the guaranteed vend so you might be losing product due to having the price set incorrectly or to zero for that selection. The Sensit 1 and 2 machines will go out of service if the vend sensor is not working. I also doubt that anyone with a key would only remove product from one spiral and if they are fishing up from the delivery bin they won't get more than one soda at at time, if any. My money is on an incorrect price. i thought it was the wrong price too but I checked and it was the correct price. Link to comment Share on other sites More sharing options...
Spencer Posted October 21, 2015 Author Share Posted October 21, 2015 Ok so I've talked to some people and they say it just gives them change sometimes after they get their snack or drink. I now think its not a specific slot, it just happens at random. Its not a wrong price problem, I check them all, I don't think a key is floating around, plus it would be too hard for them to open it up without anyone seeing. Its been happening a while now actually, I once got something and it gave me extra change, but I think its happening more now. Is there a way to like reset the change machine or something? Thanks Link to comment Share on other sites More sharing options...
AZVendor Posted October 21, 2015 Share Posted October 21, 2015 You need to see if the coin mech is giving change back at the time it give the credit too. If so then you have a bad coin mech. If it's random change then that means that someone else is not getting change as theirs is hanging up somehow and a later customer gets that change once it falls to the change cup. If it's neither of these things then check that the multivend feature is on. That feature will hold a credit for a time after a vend so a customer can make another vend. This could allow someone to come up, add their money and then they would get extra change after a vend. You could also have a bad drop sensor that isn't detecting a falling product as it should. If that happens then the spiral will drop more than one product before it stops. Then if the vend is still not confirmed the machine could be refunding that money to sit in the coin return until the next person comes up. This condition usually causes an error code or shuts that selection down afterward so if this is happening you probably need to get it repaired. If it's a Sensit 1 then your money is best spent on a Sensit 3 upgrade to better logic and sensors. You can email me at rbepic4gatgmaildotcom if you need any parts for this. Link to comment Share on other sites More sharing options...
matthew0582 Posted October 21, 2015 Share Posted October 21, 2015 check to see if you have a sensit problem also, it may be giving money back due to not seeing the item vending Link to comment Share on other sites More sharing options...
rmorris1953 Posted October 21, 2015 Share Posted October 21, 2015 It seems it is only doing it on certain rows from what I gather.. If that is the case it couldn't be coin mech... Could be tray harness on that tray. Might swap trays around and see if problem follows tray. If not then control board could be bad. IMO Link to comment Share on other sites More sharing options...
lacanteen Posted October 21, 2015 Share Posted October 21, 2015 Check to see how well the product fits the spiral. It's possible they are just shaking out the front item. Link to comment Share on other sites More sharing options...
Spencer Posted October 22, 2015 Author Share Posted October 22, 2015 You need to see if the coin mech is giving change back at the time it give the credit too. If so then you have a bad coin mech. If it's random change then that means that someone else is not getting change as theirs is hanging up somehow and a later customer gets that change once it falls to the change cup. If it's neither of these things then check that the multivend feature is on. That feature will hold a credit for a time after a vend so a customer can make another vend. This could allow someone to come up, add their money and then they would get extra change after a vend. You could also have a bad drop sensor that isn't detecting a falling product as it should. If that happens then the spiral will drop more than one product before it stops. Then if the vend is still not confirmed the machine could be refunding that money to sit in the coin return until the next person comes up. This condition usually causes an error code or shuts that selection down afterward so if this is happening you probably need to get it repaired. If it's a Sensit 1 then your money is best spent on a Sensit 3 upgrade to better logic and sensors. You can email me at rbepic4gatgmaildotcom if you need any parts for this. From what I can tell, it gives a refund (correct qamount of change). I'm not sure what you mean by "You need to see if the coin mech is giving change back at the time it give the credit too." Thanks check to see if you have a sensit problem also, it may be giving money back due to not seeing the item vending How would I do this? I have a sensit 2 Thanks It seems it is only doing it on certain rows from what I gather.. If that is the case it couldn't be coin mech... Could be tray harness on that tray. Might swap trays around and see if problem follows tray. If not then control board could be bad. IMO From what I can tell, its mostly two can dispensers on the bottom row. But that's just what ive seen, it could very possibly be happening on other levels too. Thanks Check to see how well the product fits the spiral. It's possible they are just shaking out the front item. The drinks are pretty secure, so I cant see that happening. Thanks Link to comment Share on other sites More sharing options...
matthew0582 Posted October 22, 2015 Share Posted October 22, 2015 when product falls the sensors see the product and coil stops, if it doesnt see the product it will spin one or 2 more times after that it will say make another selection or give refund, but you quarters would be running low all the time if this was happening Link to comment Share on other sites More sharing options...
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