"US1" LED

This LED indicates the status of the PROFINET interface. The state includes the startup, normal operation, error mode and energy-saving operation operating modes.

Status

Possible cause

Measure

Yellow, flashing

Cyclic duration factor: 250 ms

Switch-off time: 250 ms

The PROFINET interface is just starting up after a reset.

Green

Permanently lit

The PROFINET interface is operating without errors.

Green, flashing

Cyclic duration factor: 500 ms

Switch-off time: 3000 ms

The PROFINET interface is in energy-saving mode (PROFIenergy mode).

Red

Permanently lit

The PROFINET interface has detected a fault.

Information: A timeout of the PROFINET connection is not an internal error.

Switch the device off and back on again.

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