Snickers Posted November 29, 2015 Share Posted November 29, 2015 So we have this 7000 in an account and I put the Vendors board in and is now MDB mech and validator. Problem we are experiencing a few months after doing this is sometimes the shelves are saying item not available when trying to buy items. Sometimes it's 1 motor sometimes it's the whole shelf. Simply powering it off and then back on fixes it. Now the gum/mint shelf is still saying that message for all 5 of those selections. The wires all look good and have tried powering it off and back on but still can't get them to vend. We had no issues before the board change that we are aware of. Also had a couple bill jams within the last few months on the new MEI validator. Weird how the old stuff was performing better than the new stuff. Is there something I should be checking or looking for? Thanks Link to comment Share on other sites More sharing options...
AZVendor Posted November 29, 2015 Share Posted November 29, 2015 As with any snack giving those messages check that your shelf rollers are tightly secured and in good condition. If they are loose or damaged they can cause misalignment between the shelf pins and the cabinet connector. Misaligned pins can damage the pins or the cabinet connector. Make sure all pins are the same length and that each slot in the cabinet connector has 2 shiny spots inside it. If one pin is shorter or you don't see 2 shiny spots in a slot then that's where the damage is and requires moving the shelf wires to another unused pair. If there's no damage and the rollers are ok then you can SLIGHTLY tweak the pins on that shelf to get a better connection. Link to comment Share on other sites More sharing options...
SCOTT1963 Posted November 30, 2015 Share Posted November 30, 2015 AZ has it right, this is a connection issue. It never hurts to check rollers and clean environmental grime off of contacts. Link to comment Share on other sites More sharing options...
Walta Posted November 30, 2015 Share Posted November 30, 2015 Are the thumb lever you push to release the shelf’s missing? Since this is a problem we never see with AP 7000s. What is new or different Is the harness getting pinched or stretched by the new door? Walta Link to comment Share on other sites More sharing options...
Snickers Posted December 1, 2015 Author Share Posted December 1, 2015 Yeah it's frustrating for sure. The tracks,rollers and thumb releases are all fine. Connectors seemed fine but will take an even closer look. Is contact cleaner in the aerosol cans worth using on the male and female pins? Thanks Link to comment Share on other sites More sharing options...
rmorris1953 Posted December 1, 2015 Share Posted December 1, 2015 Did you put the drop sensors in? Link to comment Share on other sites More sharing options...
Walta Posted December 1, 2015 Share Posted December 1, 2015 Only spray that XXxx on the parts you want to plan on replacing. I say all that stuff does is turn things into a gummy mass that someone will need to do disassemble and clean bit by bit sooner or later. Walta Link to comment Share on other sites More sharing options...
SCOTT1963 Posted December 2, 2015 Share Posted December 2, 2015 After cleaning contacts, making sure wires aren't pinched, broken or stretched out, and nothing grounding out against the machine. Try Di-electric grease can be a lifesaver with sketchy connections, just a touch not globbed on. Link to comment Share on other sites More sharing options...
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