Lektro-Vend Combo Series, Service Manual

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4: Cause: Defective control board
4: Possible Solution: Replace control board.
NOTE: When you replace the control board always disconnect power to the equipment. After the
control board is installed, apply power, go into the service mode and press selection button then press
selection button You have now aligned the control board with the motors. It will be necessary to reset
prices, see section on setting prices.
5: Possible Cause: Defective wiring or wiring connections.
5: Possible Solution: Using the schematic in the back of the manual, test the electrical circuit from the
control board to the changer. This test may be done by using and ohmmeter with power removed.
C. SYMPTOM: Changer accepts coins but the credit does not register on the
display.
1 Possible Cause: Defective control board
1 Possible Solution: Replace control board.
CAUTION: BE SURE POWER IS REMOVED FROM CONTROL BOARD BY THE DOOR SWITCH
BEFORE REMOVING AND REPLACING COMPONENT.
Defective changer.
Replace changer.
BE SURE POWER IS REMOVED FROM CONTROL BOARD BY THE DOOR SWITCH BEFORE
REMOVING AND REPLACING COMPONENT.
3: Defective wiring or wiring connections.
3: Using the schematic in the back of the manual, test the electrical circuit from the control board to the
changer. Also test the wiring from the display to the control board. This test may be done by using an ohmmeter
with power removed.
BILL VALIDATORS
NOTE: When using certain validators, it may be necessary to set the validator’s switches on the validator to
operate in the machine. If you are not sure, contact Technical Services at Polyvend Inc.
A: SYMPTOM: Machine will not take dollar bills.
1: Possible Cause: Not enough change in the changer.
1: Possible Solution: Fill coin tubes with enough change to work the bill acceptor.
2: Possible Cause: Defective low coin tube sensor or sensor is out of holder.
2: Possible Solution: Replace changer.