Solution
The hardware status LED 1 definitions are as follows:
| LED | Description |
| Blinks Green | The CANopen hardware port is stopped. |
| Off | No application is using the CANopen hardware port. The CANopen port is disconnected from the CANopen network in this state. |
| Solid Green | The CANopen hardware port is opened in a normal condition. |
The error status LED 2 definitions are as follows:
| LED | Description |
| Off | No errors are detected. |
| Blinks Red | Error occurs when initializing the firmware. The hardware may be problematic. |
| Solid Red | CAN network is bus off. You can clear the bus off error physically and reopen the CANopen interface. |
In addition, the following LED indications are protocol independent:
| Condition/State | LED 1 | LED 2 |
| NI-XNET catastrophic error | Blinks red | Blinks red |
| No open session on hardware | Off | Off |
| Open session on hardware, port is missing power | Solid red | Off |
| Open session on hardware, port is properly powered, and hardware is not communicating | Solid green | Off |
| Port identification | Blinks green | Blinks green |
And the following LED indications are specific to CAN:
| Condition/State | LED 1 | LED 2 |
| Firmware is communicating, and controller is in Error Active state | Solid green | Activity green (returns to idle/off one second after last TX or RX) |
| Firmware is communicating, and controller is in Error Passive state | Solid green | Activity red (returns to idle/off one second after last TX or RX) |
| Firmware is running, and controller transitioned to bus off | Solid green | Solid red |