Festo CPX-FB33 Operating Instructions Manual page 21

Diagnostics
M/P – Maintenance/PROFIenergy
LED Sequence
LED is off
LED is yellow
LED flashes
green
Tab. 17: Network status LED – M/P
Festo — CPX(-M)-FB33/34/35/43/44/45 — 2022-05f
Status
Maintenance action not
required, PROFIenergy function
not activated.
Maintenance action required.
PROFIenergy activated.
Error handling
–
Check:
– Operating voltage
– Plug
– Fibre optic cable
–
21