Rockwell Automation 1734-IA2, User Manual

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Publication 1734-UM001D-EN-P - April 2008
Troubleshoot with the Indicators 143
Indication Probable Cause Recommended Action
Module Status
Off No power applied to device. Apply power to device.
Solid green Device is operating normally. None.
Flashing green Device needs commissioning due to configuration
missing, incomplete, or incorrect. Configure device properly.
Flashing red Recoverable fault is present.
Device did not pass internal test. 1. Cycle power to device.
2. If condition persists, replace device.
Solid red Unrecoverable fault may require device replacement. Replace device.
Flashing red/green Device is in self-test. None.
Network Status
Off Device is not online.
- Device has not completed Auto Baud detection
because there is no network traffic.
- Device has not completed dup_MAC_id test.
- Device not powered - check module status indicator. Apply power to device, wait for MAC_id to complete,
and correct, as needed.
Flashing green Device is online but has no connections in the
established state. None - device is in Idle or Program mode.
Solid green Device is online and has connections in the established
state. None.
Flashing red One or more I/O connections are in timed-out state. Check for I/O module failure, and correct, as needed.
Solid red Critical link failure is present with failed communication
device. Device detected error that prevents it from
communicating on the network. Verify that adapter and terminal bases are properly
installed, and reinstall, as needed.
Flashing red/green Communication faulted device - the device has detected
a network access error and is in communication faulted
state. Device has received and accepted an Identify
Communication Faulted Request - long protocol
message. Verify that adapter is properly installed, and reinstall, as
needed.