What This Chapter Contains; Interpret The Status Indicators - Allen-Bradley Rockwell Automation 1734-AENT User Manual

What This Chapter Contains

63
LED Status Indicators
Read this chapter for information about LED status indicators.

Interpret the Status Indicators

You must use series C POINT I/O modules with the
ATTENTION
1734-AENT adapter. Series A or B POINT I/O modules will
not work with this adapter.
Indication Probable Cause
Module Status
Off No power applied to device
Flashing LED cycle power test (module
red/green self-test) present.
Solid green Device is operating normally.
Flashing red Recoverable fault has occurred:
Firmware (NVS) update present.
Address switches changed.
Solid red Unrecoverable fault has occurred:
Self-test failure present
(checksum failure, or RAMtest
failure at cycle power).
Firmware fatal error present.
Module Status
Network Activity
Network Status
POINTBus Status
System Power
Field Power
43248aent
Recommended Action
Apply power to the device.
None
None
Complete firmware update.
Verify address switches.
Replace adapter.
Publication 1734-UM011D-EN-P - May 2011
6
Chapter