Slim2005 Posted August 6, 2015 Share Posted August 6, 2015 I have a mars 6800c that keeps rejecting coins, occasionally it will accept a set of quarters but no credit given. Is this a tuning need or a replace the coin mech need? If its a replace do you have any good suggestions? Also if its tuning do you have a good well laid out tuning guide. Some said run the coins through twice and call it down others said go 20x. Thanks Sent from my XT1254 using Tapatalk Link to comment Share on other sites More sharing options...
SCOTT1963 Posted August 6, 2015 Share Posted August 6, 2015 Turn the machine OFF. Lower the Acceptor/Gate Assembly. Short the set of tuning pins by touching both simultaneously with the tip of a metal screwdriver/ tuning plug; MEI P/N 208240001 PAK 5. (See Figure 12 or Figure 13 on this page). With the screwdriver/tuning plug still touching the tuning pins, turn machine ON. Remove the screwdriver/tuning plug when the "normal" message appears on the display of the machine. Press the Acceptor/Gate Assembly back into position until the spring clips engage. The changer is now in the tuning mode. Now you are ready to follow the Tuning Coin Sets. Follow TUNING COIN SET listed below. Tuning Coin Sets Insert a US nickel Rejected Insert a Canadian nickel Rejected (see Note 1) Insert a US dime Rejected Insert a Canadian dime Rejected (see Note 1) Insert a US quarter Rejected (see Note 1) Insert a Canadian quarter Rejected (see Note 1) Insert a US dollar coin Rejected (see Note 1) Insert a Canadian dollar coin Rejected (see Notes 1 & 2) Insert first token (see Notes 2 & 3) Insert second token (see Notes 2 & 3) Notes: 1) To skip the tuning of the coin depress the Coin Return Lever. 2) Nickel solenoid will fire once on TRC-6800, TRC-6510 or TRC-6512. 3) TRC651x using level 3 MDB applications recognize token acceptance. straight out of the manual Link to comment Share on other sites More sharing options...
Slim2005 Posted August 6, 2015 Author Share Posted August 6, 2015 I guess maybe a better question on the tuning is, do I just depress coin return on all the Canadian and do I need to follow throw with other coins after the end? Do I end it somehow Sent from my XT1254 using Tapatalk Link to comment Share on other sites More sharing options...
SCOTT1963 Posted August 6, 2015 Share Posted August 6, 2015 If you aren't doing Canadian just drop 2 US each time When it gets to the token part hit the coin return. When you are done Hit the coin return a couple times, all good (you don't have to hit the coin return to end but it is an old habit i can't break) Link to comment Share on other sites More sharing options...
Slim2005 Posted August 6, 2015 Author Share Posted August 6, 2015 OK thanks,would the finish with 15-20 coins each be needed? And would you predict this to fix the problem? Sent from my XT1254 using Tapatalk Link to comment Share on other sites More sharing options...
AZVendor Posted August 6, 2015 Share Posted August 6, 2015 If you need an exchange unit for this then you can contact me. Sometimes they won't take any new tuning in the field. Link to comment Share on other sites More sharing options...
Slim2005 Posted August 6, 2015 Author Share Posted August 6, 2015 Azvendor it won't let me message you Sent from my XT1254 using Tapatalk Link to comment Share on other sites More sharing options...
AZVendor Posted August 6, 2015 Share Posted August 6, 2015 You can send a message to my email at rbepic4gatgmaildotcom for now. Link to comment Share on other sites More sharing options...
SCOTT1963 Posted August 7, 2015 Share Posted August 7, 2015 OK thanks,would the finish with 15-20 coins each be needed? And would you predict this to fix the problem? Sent from my XT1254 using Tapatalk Nope, just 2 of each coin Link to comment Share on other sites More sharing options...
moondog Posted August 7, 2015 Share Posted August 7, 2015 Turn the machine OFF. Lower the Acceptor/Gate Assembly. Short the set of tuning pins by touching both simultaneously with the tip of a metal screwdriver/ tuning plug; MEI P/N 208240001 PAK 5. (See Figure 12 or Figure 13 on this page). With the screwdriver/tuning plug still touching the tuning pins, turn machine ON. Remove the screwdriver/tuning plug when the "normal" message appears on the display of the machine. Press the Acceptor/Gate Assembly back into position until the spring clips engage. The changer is now in the tuning mode. Now you are ready to follow the Tuning Coin Sets. Follow TUNING COIN SET listed below. Tuning Coin Sets Insert a US nickel Rejected Insert a Canadian nickel Rejected (see Note 1) Insert a US dime Rejected Insert a Canadian dime Rejected (see Note 1) Insert a US quarter Rejected (see Note 1) Insert a Canadian quarter Rejected (see Note 1) Insert a US dollar coin Rejected (see Note 1) Insert a Canadian dollar coin Rejected (see Notes 1 & 2) Insert first token (see Notes 2 & 3) Insert second token (see Notes 2 & 3) Notes: 1) To skip the tuning of the coin depress the Coin Return Lever. 2) Nickel solenoid will fire once on TRC-6800, TRC-6510 or TRC-6512. 3) TRC651x using level 3 MDB applications recognize token acceptance. straight out of the manual I'm still trying to figure how you're supposed to plug the machine back in while holding a screw driver across those two pins Link to comment Share on other sites More sharing options...
Slim2005 Posted August 7, 2015 Author Share Posted August 7, 2015 I'm still trying to figure how you're supposed to plug the machine back in while holding a screw driver across those two pins I would think just unplugging the coin mechanism at the door would do it then you can plug it right back inSent from my XT1254 using Tapatalk Link to comment Share on other sites More sharing options...
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