LED Status Displays¶
The status of the CANopen® Communication Module is displayed by means of 5 status LEDs.
Positions of the LEDs
| LED | Color | Status | Meaning |
|---|---|---|---|
| PWR | green | ON (light) | Power supply available |
| OFF (dark) | Power supply not available or hardware defective | ||
| RDY | yellow | ON | Boot procedure |
| Blinking | Boot failure | ||
| RUN | green | ON | Communication Module is operational |
| OFF | Communication Module is not operational | ||
| CAN-RUN | green | ON | Device configured, CANopen® bus in OPERATIONAL state and cyclic data exchange running |
| Blinking | CANopen® bus in PRE-OPERATIONAL state and slave is being configured | ||
| CAN-ERR | red | ON | CANopen® bus is off |
| Blinking | Configuration error | ||
| Single flash | Error counter overflow due to too many error frames | ||
| Double flash | A Node-Guard or a Heartbeat event occurred | ||
| OFF | No error |