Omni 7000 Series - Page 166

OMNI 4000/7000 Installation Guide – Rev H
Page 7-7
Troubleshooting
Digital I\O Terminal Board
Abnormal
Normal
Possible Causes
Suggested Action
No activity on the CAN
STATUS LEDs
Flashes red
Flashes green
Transmitting data to the DM(s) TX.
Receiving data from the DM(s) RX.
• Verify wiring is connected according
to the project specific drawings
• Verify that the DT Module is
powered, operating, and the
heartbeat LED is flashing
• If problem persist, replace DT
Module with a spare.
Red active I/O point
Green active I/O point
An overcurrent condition overloaded the
fuse, tripping it.
• Remove the condition causing the
overload.
• Remove and reconnect the wire on
the digital channel.
Digital I/O Multiplexer (edge) and Digital Terminal Board (middle)
Abnormal
Normal
Possible Causes
Suggested Action
Red active I/O point
Green active I/O point
An overcurrent condition overloaded the
fuse, tripping it
Remove the condition causing the
overload. The fuse will automatically
reset.