63 Publication 1734-UM011D-EN-P - May 2011
Chapter
6
LED Status Indicators
What This Chapter Contains
Read this chapter for information about LED status indicators.
Interpret the Status Indicators
You must use series C POINT I/O modules with the
1734-AENT adapter. Series A or B POINT I/O modules will
not work with this adapter.
Indication Probable Cause Recommended Action
Module Status
Off No power applied to device Apply power to the device.
Flashing
red/green
LED cycle power 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.
Complete firmware update.
Verify address switches.
Solid red Unrecoverable fault has occurred:
Self-test failure present
(checksum failure, or RAMtest
failure at cycle power).
Firmware fatal error present.
Replace adapter.
System Power
Field Power
43248aent
Module Status
Network Activity
Network Status
POINTBus Status