Publication 1734-UM001D-EN-P - April 2008
162 Troubleshoot with the Indicators
1734-AENT EtherNet/IP Adapter
System Power
Field Power
43248aent
Module Status
Network Activity
Network Status
POINTBus Status
Module
Status
Network
Activity
Network
Status
1734-AENT
PointBus
Status
Field
Power
System
Power
02
0
Indication Probable Cause Recommended Action
Module Status
Off No power applied to device Apply power to the device.
Flashing
red/green
LED power cycle test (module self-test) present. None.
Solid green Device is operating normally. None.
Flashing red • Recoverable fault has occurred.
• Firmware (NVS) update present.
• Address switches changed.
1. Complete firmware update.
2. Verify address switches.
Solid red • Unrecoverable fault has occurred.
• Self-test failure present (checksum failure, or ramtest failure at
power cycle).
• Firmware fatal error present.
Replace adapter.
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