
8
Service
Description of status and operating displays
Operating Instructions – MOVI-C
®
FIELD CONTROLLER standard/advanced
115
8.3.4
Bus-specific LEDs for PROFINET IO
"BF" LED
LED
Meaning
Measure
–
Off
The unit has detected a connection to the
PROFINET master.
–
Orange
The fieldbus slave (device) does not sup-
port the configured functions in the fieldbus
master.
• Perform the configuration again.
Red
Illuminated
The connection to the PROFINET master
has failed.
The device detects no connection to the
PROFINET master (bus error).
• Check the PROFINET connection of
the unit.
• Check all the cables in the
PROFINET network.
• Check the PROFINET device name
in the fieldbus master and fieldbus
slave.
The PROFINET master is not in operation. • Check the PROFINET master.
Faulty process data configuration.
• Check the process data configura-
tion.
"US1" LED
Status
Possible cause
Measure
Green
The fieldbus electronics is running proper-
ly.
–
Green, flashing
Lights up: 0.5 s
Disabled: 3 s
The fieldbus electronics is in energy-saving
mode (standby mode).
–
Orange, flashing
Lights up: 0.25 s
Disabled: 0.25 s
The fieldbus electronics is just running 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.
26872137/EN – 12/2021