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5. With the left Motor Power Interrupt Door Switch activated the Picker at home position inside the Cup, if
the VMC D5 Picker Home Switch Diagnostic Red Light is Off, and/or the VMC D7 Picker Out Switch
Diagnostic Green Light is On, check the Switch wiring inside the Cup. Make sure the Switches are
plugged into the Cabinet Control Cup Board and that they are not reversed. Ohm the Switches to verify
operation. If the Switches are OK and plugged in correctly replace the Cup Assembly.
6. If the VMC Diagnostic Lights are correct, with the left Motor Power Interrupt Door Switch activated stay
in Position Test and see if the Picker will cycle and return to the home position when pressing “0” Key on
Keypad.
a. If the picker will not cycle in Position Test, check to see if the Motor is plugged in correctly. Check for
Motor power to the Cabinet Control Cup Board, the Red/Green wire should have 24VDC. If OK,
replace the Cup Assembly.
b. If the Picker does cycle in Position Test, go to Cup Test.
1) Test the Cup Sensor to see if it can detect an item by illuminating VMC D6 Cup Sensor
Diagnostic Yellow Light. If the Cup Sensor cannot detect an item in this test, turn the Cup
Sensor Off in Cup Sensor On/Off menu.
2) If the Picker now cycles at the gate through a Test Vend or normal purchase, verify the
electrode wire is plugged in. If OK replace the Cabinet Control Cup Board and turn the Cup
Sensor back On in Cup Sensor On/Off menu.
3) If the Picker still will not cycle, replace the Cup Assembly.
The Port Door will not Open/Close
1. A left Motor Power Interrupt Door Switch issue.
a. Check its wiring from the Door Switch to the Cabinet Control Environmental Board. Replace
wiring as necessary.
b. If wiring is connected and not damaged Ohm the Switch. Replace as necessary.
c. If the Door Switch tests good check for 24VDC to the Switch from the Cabinet Control
Environmental Board.
1) Check wiring from the Power Supply to the Cabinet Control Environmental Board. Verify the
Circuit Breakers are reset.
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