Over the years, vending machine coin mechanisms have evolved into different types and styles to better accommodate ease and convenience of use. These mechanisms developed the operations of the vending machine industry, thereby, making it more popular nowadays. Below are several things you need to know regarding vending machine coin mechanisms.

Types of Vending Machine Coin Mechanisms

Single Coin Mechanisms

Single coin mechanisms have dollar interface plugs in their units. This is used to accommodate a basic ‘pulse’ type bill validator. The main drawback to single coin mechanisms is the fact that they cannot be tuned once they become ‘picky’ accepting coins. The ‘heads’ on the single coin mechanisms units cannot be interchanged.

Logic Coin Mechanisms

Logic coin mechanisms are mainly used on snack machines. Originally, when logic style machines were made they used 110 volt coin mechanisms, over time to take this high voltage away from the operator they made 24 volts. The only problem with this was that you could accidentally plug a 24 volt unit into a 110 volt. Use caution whenever plugging in a 24 volt twelve pin unit to make sure that your machine is wired for 24 volts and not for 110 volts.

Multi-Drop Bus (MDB) Mechanisms

These coin mechanisms use a small six pin plug that will also interface to an MDB bill validator on the same harness. MDB coin mechanisms and protocols have changed many times over the years but most coin mechanisms are ‘backward’ compatible with older MDB machines. Almost all ‘modern’ machines made in the last ten years use these MDB style coin mechanisms.

High-Capacity Multi-Drop Bus (MDB) Mechanisms

These coin mechanisms usually have four or five coin tubes or high capacity hoppers and can hold multiple coins. When using a bill validator on your machine it is suggested to use one of these high capacity coin mechanisms to eliminate ‘out of change’ responses that will shut down bill validation.

How to Take Care of Vending Machine Coin Mechanisms

Older single price coin mechanisms, 24 volt, 110 volt logic coin mechanisms and early MDB coin mechanisms have coin paths that will get dirty over time due to the coins simply passing down the chute. This should be cleaned if the acceptance rate of the coins starts to decline or you start to see a noticeable buildup of dirt or grime in this area or the backside of the ‘flight deck lid’. Be careful when opening the ‘flight deck lid’ for cleaning to not bend it too far backwards it can be broken if bent too far. A soft cloth and a mild solution is usually recommended by the manufacturers of the coin mechanisms. For complete cleaning instructions please refer to the original manuals provided by the manufacturers.

Know more about vending machine coin mechanisms from Gameking Total Vending Solutions. Our company will guide you in the right direction for the types of machines and products that are best for your location whether you want combo, healthy food, fresh food, drink or snack related ones.


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