4. Remove the Y Motor Board Cover and see if the Y Motor Board Green Status Light is rapidly flashing.
a. If Green Status Light is rapidly flashing, the Y Motor Board is good.
b. If the Green Status Light is On solid, check the other Cabinet Peripheral Control Boards, if their
Green Status Light is also On check the harnesses. If the other Cabinet Peripheral Control Board
Green Status Lights are rapidly flashing, check the harness to the Y Motor Board. If the harness is OK
and the Cup Motor Board Green Status Light is flashing rapidly replace the Y Motor Board.
c. If there is no Green Status Light, check another Cabinet Peripheral Control Board, if it’s Green Status
Light is rapidly flashing, check the harness to the Y Motor Board. If the harness is OK change the Y
Motor Board.
5. Still no Y movement? In Normal Mode, is the VMC D7 Y Home Magnetic Switch Diagnostic Green Light
on?
a. If yes, the Y Home Magnetic Switch on the bottom of the Cup Assembly is activated and
communicating.
b. If no, ensure the Cup Assembly is at Home position on the Machine base (check for blockage
preventing it from reaching Home position). To test Magnetic Switch hold a magnet against the
bottom of the Cup Assembly, if the Y Home Magnetic Switch activates and the VMC D7 Diagnostic
Green Light turns On the switch is good.
1) If the VMC D7 Diagnostic Green Light does not turn on, ensure the magnet is in position on the X
Bottom Carriage, if magnet is in position replace the Y Home Magnetic Switch in the Cup
Assembly.
6. Still no Y movement? Check the Y Home Switch P6 connector is plugged in to the Cup Motor Board.
Check if the Y Motor is plugged in to P1 of Cup Motor Board correctly.
a. Replace the Y Motor as needed.
1) Note thathe Y Motor is a 3 Phase Brushless DC Motor and you will not be able to read
voltage to the Motor.
Y or X Brushless DC Motor.
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