LED indicators - meanings

| LED | Color | Meaning | |
|---|---|---|---|
| EcRun | green | off | State of the EtherCAT State Machine: INIT = initialization of the terminal | 
| flashing rapidly | State of the EtherCAT State Machine: BOOTSTRAP = function for firmware updates of the terminal | ||
| flashing | State of the EtherCAT State Machine: PREOP = function for mailbox communication and different standard-settings set | ||
| single flash | State of the EtherCAT State Machine: SAFEOP = function for mailbox communication and different standard-settings set Outputs remain in safe state | ||
| on | State of the EtherCAT State Machine: OP = normal operating state; mailbox and process data communication is possible | ||
| LED | Color | Meaning | 
|---|---|---|
| Ok/Error | green | No error | 
| red | Error display, along with error bit in the status, for 
 | |
| off | No operation |