Page
34
of
52
The Cup Picker/Plunger will not Cycle to Eject an Item from the Gate
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 plug of the
Environmental Board.
d.
Replace Environmental Board if necessary.
2.
Before replacing any Cabinet Peripheral Control Boards:
a.
Check that P1 pin 1 of the Cup Motor Board is getting 5VDC from the Environmental Board to P1 pin
1 of the Y Motor Board.
b.
Ohm the Communication blue & white wires from P2 pins 3 & 4 of Cup Motor Board through the Y
E-Chain.
c.
Check for Cabinet Control Errors “C Comms” Error in programming Test Mode, List Errors.
d.
Check the harness connection between the Y E-Chain and the Cup Motor Board. Also check the
harness connection between the Y E-Chain and the Y Motor Board. Replace the Cup Motor Board.
3.
Remove Cup Base Cover and ensure the Cup Motor Board Green Status Light is flashing rapidly.
a.
If Green Status Light is rapidly flashing, the Cup 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 X E-Chain
harness, look for pinched or damaged
wire. Check the 5VDC (Yellow) wire at
P2 pin 1 on the Cup Motor Board and
verify it has 5VDC in respect to Ground.
If the other Cabinet Peripheral Control
Board Green Status Lights are rapidly
flashing, replace the Cup Motor Board.
c.
If there is no Green Status Light, check
another Cabinet Peripheral Control
Board, if their Green Status Light is
rapidly flashing, change the Cup Motor
Board.
4.
Picker still will not cycle, with the Left Motor Power Interrupt Door Switch activated and the Picker at
home position inside the Cup, go to Cup Test and
ensure the VMC D5 Picker Home Switch Diagnostic
Red Light is On, and that the VMC D7 Picker Out
Switch Diagnostic Green Light is Off.
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 in the Cup Motor Board in the correct positions 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.
Cup Motor Board.
VMC Diagnostic Lights.
Summary of Contents for 3800-4
Page 1: ......
Page 2: ...Page 2 of 52 ...
