Snack - Based Troubleshooting and Repair Guide
1670065 Page 16 of 54 September, 2002
2. The vending machine controller then starts the delivery motor and constantly checks the
SureVend™ system for detection of the delivered product.
3. If no product delivery is detected, the controller continues to run the delivery motor for up
to three revolutions, pausing momentarily at the home position of each revolution of the
motor.
a. If no product is detected after the third revolution, the selection is marked as empty
and the customer's credit is optionally restored to make another selection or is auto-
matically returned.
4. If product delivery is detected before the delivery motor has come to the home position for
the first time, the delivery motor continues running to its home position.
a. If the delivery motor has already passed the first home position, the motor will stop
immediately upon product detection to avoid the possibility of vending a second
product.
NOTE:
A fatal malfunction in the SureVend™ detection system during the vend is
treated the same as product delivery. It is assumed that the malfunction is due to
tampering or vandalism.
5. The SureVend™ system has several operating options.
a. ON or OFF. Choose OFF only if the SureVend™ system is not installed or if you do
not wish it to be used.
b. OPTIONAL or “MUST”. If OPTIONAL is selected, operation will revert to (nor-
mal) home switch operation if the SureVend™ system cannot operate normally
because of an obstruction or loss of communication. If "MUST" is selected the
machine will be operational only if the SureVend™ system is operational for the main
delivery area (not including gum & mint). The machine will go temporarily out-of-
service until the blockage or other error is corrected.
c. ANTI-JACKPOT. This is protection against unforeseeable cheating of the Posi-
Vend™ system. The user can set the number of SureVend™ empty conditions that
will disable the SureVend™ system for a selectable the time period. A SureVend™
empty condition occurs when product delivery is not detected and the customer's
money is restored or returned.
The assumption of this option is that very few SureVend™ failures to vend will occur
other than as a result of tampering. The SureVend™ system will be turned off for a
certain number of minutes so that money can no longer be refunded because of vend
failure and thus discourage a thief from remaining. The machine will either revert to
home switch operation or go out of service, depending on other selected options.
Once the time has elapsed SureVend™ is re-enabled. The total number SureVend™
empty selections, the number of anti-jackpot occurrences, and the date and time of the
last occurrence are recorded.
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