Festo CMMT-ST-C8-1C Series Manual page 44

Malfunctions
LED Meaning
Flashe The device has an IP address but no CIP
s connection.
green It may be that the device is not assigned
to a master/scanner.
Lights Normal operating status.
up The device is online and has a CIP con-
green nection.
Flashe Device performs a self-test.
s red/
green
Flashe One or more I/O connections are in the
s red time-out status.
Lights The IP address of the device has already
up red been assigned.
Tab. 55: NS LED
EtherNet/IP, LED at XF1 IN and XF2 OUT; connection status, data traffic
LED Meaning of the green LED
Off No network connection
Lights Network connection is OK (link).
up
green
Tab. 56: Green LED at XF1 IN and XF2 OUT
LED Meaning of the yellow LED
Off No data traffic
Flicker Data traffic activity.
s
yellow
Tab. 57: Yellow LED at XF1 IN and XF2 OUT
44
Remedy
Eliminate configuration error.
–
–
Check the physical connection to the
master/scanner.
Check and correct IP addresses in the
network.
Remedy
Check network connection.
–
Remedy
–
–
Festo — CMMT-ST-C8-1C-...-S0 — 2021-04b