Status LED
The status LED is on the top-right corner of the unit's base, visible from outside. It shows the current state of the unit and any error conditions.
| Colour | Status |
|---|---|
| Yellow | Booting up / rebooting. |
| Green | All OK. |
| Red | Fault. |
| Blue | Modbus communication in progress. |
| White | In configuration mode (USB-C connected). |