Rockwell Automation 1734-XXXX POINT I/O Digital and Analog Modules and POINTBlock I/O Modules User Manual
Page 155

Rockwell Automation Publication 1734-UM001E-EN-P - July 2013
Troubleshoot with the Indicators 157
Indication
Probable Cause
Recommended Action
System Power
Off
Not active; field power is off or DC-DC converter problem present. 1. Verify power is on, and apply power if needed.
2. Verify backplane power not exceeded, and correct, as
needed.
3. Replace 1734-AENT module.
Green
System power is on; DC-DC converter is active (5V).
None.
Field Power
Off
Not active; field power is off.
Apply field power.
Green
Power is on; 24V is present.
None.
Indication
Probable Cause
Recommended Action
Network Activity
Off
No link established.
Verify network cabling, and correct, as needed.
Flashing green/Off
Transmit or receive activity present.
None.
Steady green
Link established.
None.
Network Status
Off
Device not initialized. The module does not have an IP address.
Apply power to device, verify IP address, and
correct, as needed.
Flashing green
No CIP connections present. Device has an IP address, but no CIP connections are
established.
None.
Solid green
CIP connections present. Device online and has an IP address, and CIP
connections are established.
None.
Flashing red
One or more CIP connections has timed-out.
Check for I/O module failure and controller
operation, and correct, as needed.
Solid red
Duplicate IP address detected.
Verify IP address setting and correct, as needed.
Flashing red/green
The module is performing a self-test (only occurs during power cycle test).
None.