Troubleshooting guide

22  Hardware Configuration Reference Guide
Module Status Indicator
Color Status
Off No power
Solid green Device OK
Flashing green Not configured
Solid red Critical fault
Flashing red Non-critical fault
RS-232 Indicator
Color Status
Off No activity, link OK
Flickering green Activity, link OK
Solid red Link failed (critical fault)
Flashing red Link failed (non-critical fault)