Mars TRC 6800h single price coin mechanism mech changer soda vending machine

This is a used tested and cleaned unit all functions work properly. This has the standard 9 pin jones plug and will work in any single price soda machine and many standard snack machines. This unit has the plugs to allow the machine to take a coinco or mars bill validator/acceptor. The mars trc 6800h is unique because it is a teachable coin mech. Meaning over time as the unit gets worn it will lose its tune or ability to accept coin as do all coin mechs. This unit though can be tuned or re-teached to accept. This mech can be tunned to accept the new gold $1 or a custom token so you can give your accounts refund tokens instead of money which can be lost ect.

Trouble shooting Mars TRC 6800h coin mech acceptor

How to tune Mars TRC 6800h

To tune your coin mech you will only need your vending machine or bench tester 3 of each denomination of coins and a standard screw driver.

step 1: set the price of the coin mech to the highest price possible (with machine off)

step 2: fold down the flight deck and set the options switches to the following
ON U.S./ Canadian Acceptance
OFF High 25¢ Sensor
ON $ Coin Acceptance
ON $ Coin Acceptance w/o 25¢

step 3: Short the coin mech & send it into tuning mode. This is done by touching your screwdriver to the two tuning pins behind the flight deck below the options switches. While the screw driver is touch both pins turn the machine on for the first time since turning it off in step 1. Your coin mech is now in tuning mode.

step 4: Close the flight deck back into is home position so coins can be inserted into the coin mech.
Insert coins into the coin mech according to the list below

Follow TUNING COIN SET listed below.
Tuning Coin Sets
Coin Set Status
Insert a US nickel Rejected
Insert a US nickel Rejected
Insert a US dime Rejected
Insert a US dime Rejected
Insert a US quarter Rejected
Insert a US quarter Rejected
(at this point you either choose $1 coins or tokens not both)
Insert a US dollar coin Rejected
Insert a US dollar coin Rejected

Insert first token
Insert second token

step 5: hit the coin return lever twice the coin mech should try to reject a nickle. If this process does not work your coin mech is bad and you need to buy a new one or send your current one in for repair. Sending a coin mech in for repair usually cost more then buying another one.