ELECTRICAL SERVICE SECTION
MODES OF OPERATION
The system will operate in one of two modes, sales or service. On power up (after completing configuration),
the machine is in the sales mode. Service mode may be selected by pressing the mode button mounted on
the control board. The system will return to the sales mode if the mode button is pressed or after 25 seconds
of no service mode activity the control board will automatically return to the sales mode.
SALES MODE
In the sales mode, the control board will control the dispensing of products according to customer credit and
selection inputs. The control board will communicate with the coin mechanism and dollar bill validator (if
installed) so, as credit is entered it will be shown on the scrolling display. If there is inadequate change
available, the coin mechanism will indicate that an “Exact Change situation” exists and the control board will
show on the scrolling display “Please Insert Exact Money”.
When a customer makes a selection on the key pad, A thru H and (within 5 seconds) numbers 0 thru 9, the
accumulated credit will be compared to the price set for this selection and if credit is equal to or exceeds the
set price, the corresponding motor or solenoid will be energized. If the vend is successful the price will be
deducted from the credit value and the change returned. The vend will be considered unsuccessful if the motor
does not receive sufficient current or fails to reach the home position within (6) seconds.
On the cold food side the product delivery doors are locked by solenoids. When a vend is made, the lock which
allows the door to be opened is held open for 20 seconds, then it releases. If the door is not open the machine
will wait for an indication from the door switch that the door is open. After approximately five minutes the
machine will reset or it will automatically reset if the carousel is rotated.
SERVICE MODE
The service
can be entered by pressing the “MODE BUTTON” located on the control board. By using
the numbers and letters on the alphanumeric key pad, the operator can program and review the features of
the control board. Upon pressing the mode button, will display any faulty motors, that have been detected
as bad or jammed and then removed from service by the control board.
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Страница 69: ...COIN REJECT ASSEMBLY 67 ...
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