Coin Mechs operate on one type of coin only, so there are different coin mechs for different coins: Nickels, Dimes, Quarters, SBA Dollars, Tokens, etc. If you want to use coin mechs in your machine, you must make sure they are the propery type depending on which types of coins you want to use.
Also located inside the coin door is the Coin Lockout Relay. The purpose of this relay is to activate the coin acceptance function of each coin mech. If the acceptance function is activated, the coin mech will route any valid coins past the coin switch and into the coin box. If the acceptance function is not activated, all coins, valid or not, are routed into the coin return. When your machine is turned on, the coin lockout relay is activated and all the coin mechs should now be set up to accept and properly route all valid coins. When the machine is turned off, the coin lockout relay is not activated, and all the coin mechs return to their default state, which is to route ALL coins into the coin return.
If your coin mechs are not working properly, and you're sure they are the proper type for the coins you want to use, here are a few things check (click on any photo for a bigger picture):
REMOVING A COIN MECH, STEP 2
Now push the top of the coin mech to the right, while still holding up the release latch.
REMOVING A COIN MECH, STEP 3
Continue pushing until the top of the coin mech has completely cleared the mounting assembly.
REMOVING A COIN MECH, STEP 4
Now grab the coin mech and pull it up. Once the bottom mounting lugs are free of
their slots, the coin mech will free itself from the mounting assembly.
CHECKING THE COIN LOCKOUT RELAY, STEP 2
Continue to active the relay by hand, and now examine the lockout wire. It should
be moving in and out as the lockout strip moves left and right. If not, find out
where it's malfunctioning and fix it.
COIN SWITCHES, VIEW 2
Here's a view of the back side of the coin switch, with the cover removed. Now you
can easily see the switch wire and how the end travels in the slot. If the back
cover is removed, you can easily manipulate the coin switch wire with your finger.
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