f. If the Port Door is not fully closing, check for an obstruction.
g. If no obstruction, go to Port Test and try to open and close the Port Door. In Port Test, the Port
Door should open and close quickly with no bounce back.
h. If there is bounce back, slow response, or just the sound of the Port Motor turning, check the
Port Cam on the Port Motor shaft for breakage. Replace as necessary.
No Vertical (Y) Movement
1. A Left Motor Power Interrupt Door Switch issue.
a. Check wiring from the Left Door Switch to the Environmental Board.
Replace wiring as necessary.
b. If wiring is connected and not damaged Ohm the Left Door Switch.
Replace as necessary.
c. If the Left Door Switch tests good check for 24VDC to the Left Door
Switch from P1 pin 5 of the Environmental Board.
d. Replace Environmental Board if necessary.
2. Try to raise the Delivery Cup with your hands to the top then back down
to the bottom. If you feel an obstruction, remove the Y Belt Cover and
check for a blockage or damaged rollers.
3. Before replacing any Cabinet Peripheral Control Boards:
a. Check that P1 pin 1 of the Y Motor Board is getting 5VDC from the P1 pin 2 of the Environmental
Board.
b. Ohm the Communication blue & white wires from P1 pins 2 & 3 of the Y Motor Board to the P8 pins
2 & 3 of the VMC.
c. Check for Cabinet Control Errors “Y Comms” Error in programming Test Mode, List Errors.
d. Replace the Y Motor Board.
Port Cam with magnet, may be
either black or clear.
Port Board.
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