"US1" LED

The following table describes the display functions of the "US1" LED:

Status

Possible cause

Measure

Green

The fieldbus electronics is running properly.

Green, flashing
Illuminated: 0.5 s
Switched off: 3 s

The fieldbus electronics is in energy-saving mode (standby mode).

Orange, flashing
Illuminated: 0.25 s
Switched off: 0.25 s

The fieldbus electronics is currently booting up after a reset.

Red

Error in the hardware of the device.

Switch the device off and back on again.

If the fault occurs again, contact SEW-EURODRIVE Service.