arkhusker Posted February 19, 2015 Share Posted February 19, 2015 So, I have a 501T with an SII-D board in it. I can't keep a bill validator working. I am on the third one. The last one, I can reset the machine and it works for me once, then the next bill it won't even try to pull.Any ideas?I'm thinking pcb but wanted to bounce it off the pro's here Link to comment Share on other sites More sharing options...
AZVendor Posted February 19, 2015 Share Posted February 19, 2015 This sounds like a coin mech issue related to the coin tubes. Try the C-D option but instead of paying coins out try dropping them in to fill the tubes. If that makes no difference then make enough coin purchases until coins of each denomination start going to the coin box. Once they do that then try the validator again. Link to comment Share on other sites More sharing options...
Walta Posted February 20, 2015 Share Posted February 20, 2015 What type of acceptor are you using? Are the change tubes in the coin mech filled to capacity? I agree with AZ that the coin mech is more likely to fail and produce your symptoms than the control board. Walta Link to comment Share on other sites More sharing options...
rmorris1953 Posted February 20, 2015 Share Posted February 20, 2015 Go to diag and run the NT test and see if the validator is taking bills. Run several....... If it works, then go to CD (coin dump) insert $20 dollars of different coin combinations and see if that works. If not then you most likely have a bad sensor on one of the tubes. Link to comment Share on other sites More sharing options...
AZVendor Posted February 20, 2015 Share Posted February 20, 2015 Roger, NT is motor test so I don't think he can test the validator that way. Link to comment Share on other sites More sharing options...
rmorris1953 Posted February 20, 2015 Share Posted February 20, 2015 Randy On S 11D board NT in the diagnostic menu is Note Acceptor . When going there the bill validator is energised. By pushing selection 1 or 2 it will tell you if the validator is pulse or serial. Inserting a bill it will be pulled in and will remain there until selection switch 1 is pressed and then the bill is stacked. This can be done for as many bills as you want to test. . I will humbly eat crow tonight if I am wrong. LOL I will make it into Cajon Soup and share. LOL Link to comment Share on other sites More sharing options...
AZVendor Posted February 20, 2015 Share Posted February 20, 2015 Hey Roger dodger. You're only off by one letter - it's NA for the note acceptor test in the DIAG menu, but you're right in that it would be a great way for him to test his validator! It's too bad that kind of test isn't available in all machines. Link to comment Share on other sites More sharing options...
Discount Vending Store Posted February 20, 2015 Share Posted February 20, 2015 When we refurbish machines, it's usually the basics...make sure the bill validator is clean, all the wires are connected and the coin tubes are full. This solves the problem 80% of the time. Link to comment Share on other sites More sharing options...
orsd Posted February 20, 2015 Share Posted February 20, 2015 Randy On S 11D board NT in the diagnostic menu is Note Acceptor . When going there the bill validator is energised. By pushing selection 1 or 2 it will tell you if the validator is pulse or serial. Inserting a bill it will be pulled in and will remain there until selection switch 1 is pressed and then the bill is stacked. This can be done for as many bills as you want to test. . I will humbly eat crow tonight if I am wrong. LOL I will make it into Cajon Soup and share. LOL Mike, time to get another royal from mr Morris and bring the road kill stew Link to comment Share on other sites More sharing options...
moondog Posted February 21, 2015 Share Posted February 21, 2015 Randy On S 11D board NT in the diagnostic menu is Note Acceptor . When going there the bill validator is energised. By pushing selection 1 or 2 it will tell you if the validator is pulse or serial. Inserting a bill it will be pulled in and will remain there until selection switch 1 is pressed and then the bill is stacked. This can be done for as many bills as you want to test. . I will humbly eat crow tonight if I am wrong. LOL I will make it into Cajon Soup and share. LOL You'll need to find a 'road kill" crow first if you want to make it a Cajun stew Link to comment Share on other sites More sharing options...
orsd Posted February 21, 2015 Share Posted February 21, 2015 I've seen them Here is a pic I took of one Link to comment Share on other sites More sharing options...
CajunCandy Posted February 21, 2015 Share Posted February 21, 2015 Hmm I guess when I cook road kill next time I have a few people to invite! Link to comment Share on other sites More sharing options...
rmorris1953 Posted February 21, 2015 Share Posted February 21, 2015 Hey Roger dodger. You're only off by one letter - it's NA for the note acceptor test in the DIAG menu, but you're right in that it would be a great way for him to test his validator! It's too bad that kind of test isn't available in all machines. I Knew better than to go by memory. Never liked NT for motor test. LOL Also knew better then to think you might have mistaken. I did look later today when I worked on one. But hey I was only off 1 letter. LOL Will never make that mistake again. That crow is nasty! Link to comment Share on other sites More sharing options...
moondog Posted February 21, 2015 Share Posted February 21, 2015 Hmm I guess when I cook road kill next time I have a few people to invite! I wasn't aware that you cooked it - Figured it was some kind of Cajun Sushi Link to comment Share on other sites More sharing options...
arkhusker Posted February 21, 2015 Author Share Posted February 21, 2015 It did (I think) end up being a coin mech issue. The mech was having trouble accepting nickels so I replaced it and used the fill mode to fill the new mech from empty. Seems to have taken care of it. Thanks for the suggestions. It should have been something that occurred to me, especially considering I just dealt with a snack machine giving me "Exact Change Only" with all the mech tubes full. Link to comment Share on other sites More sharing options...
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