Status LEDs
The industrial PC has three status LEDs: PWR, FB, HDD. They provide information on the following aspects:
- the status of the power controller
- the fieldbus status
- the hard disk activity
LED | Color/flashing interval | Meaning |
|---|---|---|
PWR (Power) | green off | Computer on Computer off |
FB (fieldbus) | red blue blue/red flashing green green/red flashing | TwinCAT Stop TwinCAT Config TwinCAT Config (fieldbus error) TwinCAT Run TwinCAT Run (fieldbus error) |
HDD (hard disk) | red | Accessing storage media |
The activity of NVM Express™ SSDs is not displayed via the HDD LED.