10 | 3578 • CB500 VENDOR
DROP SENSOR
A drop (vibration) sensor on the delivery chute detects if a product has been
vended after a selection is made. The control board located on the back of the
main door controls the drop sensor sensitivity.
NOTE:
Please refer to DROP SENSOR instructions in the Programming Manual to restore
the drop sensor sensitivity to factory settings.
NORMAL VEND OPERATION
STAND-BY CONDITION
When the control board is in sales mode the display will show "ICE Cold" or the
amount of credit. If a customer presses a selection before establishing a credit, the
vend price for that selection will display, signaling the customer that more money is
needed for that selection.
ESTABLISHING CREDIT
Feeding coins into the coin mechanism or bills into the bill validator results in the
display of the corresponding credit value. The coin mechanism or bill validator will
accept money until the highest vend price has been reached or exceeded. At this
point a credit has been set up through the control board that will enable a vend for
any selection less than or equal to the established credit.
VALID SELECTION
Making a selection causes the selection switch to close. A logic level signal is
constantly sent out from the control board that then travels to each switch's
common position. When the switch is closed, the signal travels out the normally
closed position to the harness connection to the control board.
VEND SEQUENCE
The control board then distributes 24 volts DC through the door and cabinet wiring
harnesses and to the coil of the selected product cradle motor. At the same time,
the display will scroll. This indicates to the customer that a vend is in progress. As
the product cradle motor receives power, it will turn the product cradle, attempting
to vend a can or bottle.
PRODUCT DELIVERY
As the can or bottle drops onto the product delivery chute, the impact or vibration
allows the drop sensor to send a low voltage signal to the control board indicating
that a product has been vended. After receiving the drop sensor signal, the control
board will recognize how the vendor is programmed and responds accordingly.
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