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c. If the Motor Power Interrupt Switch passes, check the Red/Blue Wire in Pin 4 of P1 Connection
of the Environmental Board to ground for 24VDC to the Motor Power Interrupt Switch from the
Environmental Board.
d. If 24VAC is not present, check for continuity of the Red/Yellow Wire from the OMRON Power
Supply to the Red/Blue Wire in Pin 4 of P1 Connection of the Environmental Board. If there is
not continuity check:
1) Top 3A Circuit Breaker of AC Box Assembly
2) Replace Environmental Board
3) Replace OMRON Power Supply
4. Before replacing any Peripheral Boards:
a. Check that the Yellow Wire in Pin 1 of P1 of the Y Motor Board is getting 5VDC from the Yellow
Wire in Pin 2 of P1 Connection of the Environmental Board.
b. Remove the Y Motor Board Cover and see if the Y Motor Board Green Status Light is rapidly
flashing.
1) If Green Status Light is rapidly flashing, the Y Motor Board is good.
2) If the Green Status Light is slowly flashing, check the other Peripheral Boards, if their
Green Status Light is also On check Media Atlas H Board. If the other Peripheral Board
Green Status Lights are rapidly flashing, check the harness to the Cabinet Control Y
Motor Board. If the harness is OK and the Cabinet Control Cup Motor Board Green
Status Light is flashing rapidly replace the Cabinet Control Y Motor Board.
3) If there is no Green Status Light, check another Peripheral Board, if it’s Green Status
Light is rapidly flashing, check the harness to the Cabinet Control Y Motor Board. If the
harness is OK change the Cabinet Control Y Motor Board.
c. Ensure the Y Motor Board Green Status Light is flashing rapidly. If there is a 2 flash and pause
the RS485 Circuit is open:
1) Check the P1 Connection on the RS485 Interface Board is plugged in.
2) Check the J30 Cab Comm of the RS485 Interface Board Connection on the Atlas H
Board.
3) Check the Blue Wire connection from the Pin 3 of the P1 Connection of the RS485
Interface Board to the double Blue Wire in Pin 23 of P1 Connection of the
Environmental Board.
4) Check the White Wire Connection in Pin 2 of the P1 Connection of the RS485 Interface
Board to the double White Wire in Pin 12 of P1 Connection of the Environmental
Board.
5) Check continuity the Black Wire (Ground) Connection in Pin 5 of the RS485 Interface
Board to Pin 20 of P1 Connection of the Environmental Board.
6) Replace RS485 Interface Board.
7) Replace Y Motor Board.
8) Replace BevMAX Refresh 6 Media Atlas H Board