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f.
The AC Distribution Box Lighted On/Off switch is illuminated red.
2.
Upon completing A through D, if the AC Distribution Box Lighted On/Off Switch is not illuminated red,
check the outlet voltage for required AC voltage.
a.
If outlet voltage is good, change the AC Distribution Box.
No Vertical (Y) and No Horizontal (X) Movement
There are only a few reasons the Cabinet Peripheral Control Boards will not send power to both the X and Y
Motors deliberately.
1.
A Left Motor Power Interrupt Door Switch issue.
a.
Check wiring from the Left Door Switch to the 5 Cabinet
Peripheral Control Boards. 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.
A Picker Error.
a.
Before replacing any Cabinet Peripheral Control Boards:
1)
Check that P2 pin 1 of the Cup Motor Board is getting 5VDC from P1 pin 1 of the Y
Motor Board.
2)
Ohm the Communication blue & white wires from the Cup Motor Board P2 pins 3 & 4 to
the VMC P8 pins 2 & 3.
3)
Check for Cabinet Control Errors “C Comms” Error in programming Test Mode, List
Errors.
4)
Replace the Cup Motor Board.
b.
Remove the Cup cover and ensure the Cup Motor Board Green Status Light is flashing rapidly.
If not, check the 400505 wire harness from the Cup Motor Board P2 to the Y E-Chain. If there
is no problem then check the harness from the Y E-Chain where it plugs into the Y Motor
Board P4. If there is no problem replace the Cup Motor Board.
c.
Ensure Cup Picker is not stuck in the out position.
GFCI.
(Domestic Machines)
AC Distribution Box.
Electrical Outlet.
Summary of Contents for 3800-4
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