| LED correct operating condition | Fault indication | Possible causes and corrective action |
|---|---|---|
| Power-On (green) | Off | System power is not supplied to the Ethernet I/O Card (EIOC) due to a possible line power problem. Check the power connections. |
| Internal fault. Contact technical support. | ||
| Error-Off | Red (continuous) | Internal fault. Contact technical support. |
| Red-On for one second followed by all LEDs on for five seconds. | EIOC went through a reset due to an unrecoverable software error. Contact technical support. | |
| Red (flashing) | The EIOC is decommissioned. Commission the EIOC. | |
| Active-On (green) | Off | EIOC is a standby. Ensure that the Standby LED is On. |
| EIOC is decommissioned. Commission the EIOC. | ||
| Internal fault. Contact technical support. | ||
| Green (flashing) | EIOC is not configured. Download the EIOC configuration. | |
|
Standby-On (green) for redundant EIOCs Off for simplex EIOCs |
Green (flashing) | EIOC is not configured. Download the EIOC configuration. |