Status LED "SF" (SYS FAULT)/"L40"

The status LED "SF" or "L40" is present in the following controllers:

  • MOVI-C® CONTROLLER progressive UHX65A‑R (L40)
  • MOVI-C® CONTROLLER power UHX85A‑R (SF)

Status

Possible cause

Measure

Off

No error

–

Red, flashes with 2 Hz for 3 s

The PROFINET IO master (PLC) triggered a DCP signal service. The flashing function in the configuration of PROFINET IO master is activated to visually locate the network stations.

Switch the device off and back on again.

If this error reoccurs, contact SEW‑EURODRIVE.

Red

Error in the hardware of the device.

Switch the device off and back on again.

If this error reoccurs, contact SEW‑EURODRIVE.