"RUN" LED

The "RUN" LED indicates whether the bus electronics is functioning properly.

Measure

Green

PROFIBUS hardware OK.

Bus electronics without faults.

–

Off

The hardware of the bus electronics is faulty.

Switch the device off and back on again.

If the fault occurs repeatedly, contact SEW‑EURODRIVE Service.

Red

Flashing with 2 Hz

The PROFIBUS address is set to 0 or to a value greater than 125.

  • Check the PROFIBUS address set in the device.
  • Reset the device.