51Revision 2.EL950 1.3.1074C 18.6
VIGILANT VEND SENSOR SYSTEM
The Vigilant system is a series of infrared sensors that send a beam of light across the delivery bin. If this
beam is broken by a product, the machine knows that an item was delivered to the customer. If this beam
is not broken, the machine assumes that nothing was vended and turns the selecon spirals by ¼ turns
unl a product delivery is sensed. If, aer the coils have turned a full revoluon back to home without
delivering a product, the customer will be asked to make another selecon or to press the Coin Return
buon to receive their money back.
Certain products can be problemac for any vend sensing system. Products that are very thin or very
small in size may, on occasion, miss the beams. With proper loading of the machine, sensing systems
are irrelevant. A comfort level is provided to customers who walk up to the machine and know, through
technology, they will not experience a “rip-o”. For this reason, a vend sensor system is desirable –
however, if you vend very small or very thin items, you may want to consider turning o your sensing
system in case of malfuncon via product size. See the Service Mode secon of this manual, Advanced
menu, Rows and Columns sub-menu, for instrucons.
The Vigilant sensors are located inside the delivery bin as shown in Figure 17. There is a red indicator light
located on the le side when viewing the bin from the inside with the door open. This light should be lit
when the system is on, indicang that there is power to the system. Blocking any of the beams turns o the
red indicator light, which means the system is working correctly.
Red Indicator Light
Product Bin
Note: When performing Motor Tests without product loaded, it is a good idea to shut o the Vigilant system.
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