22
Festo — CPX-AP-A-PN-M12 — 2022-07
Diagnostics and fault clearance
PROFINET network fault [NF]
LED (red)
Meaning
Remedy
off
No error
(if the system diagnostics LED [SD] is
green).
–
flashing red
Network configuration faulty.
Check network configuration.
Network connection interrupted, short-
circuited or interference.
Check network connection.
Device name/device number not cor-
rect.
Check device name/device number.
IO controller defective.
Fix IO controller.
Tab. 13: LED PROFINET network fault [NF]
PROFIenergy [PE]
LED (green)
Meaning
Remedy
off
PROFIenergy not activated.
–
flashing green
PROFIenergy activated.
–
Tab. 14: LED PROFIenergy [PE]
Connection status [XF1], [XF2]
LED (green)
Meaning
Remedy
off
No network connection.
Check network connection.
flashing green
Module positioning if both LEDs (XF1
and XF2) flash synchronously, e.g. for
troubleshooting or during configura-
tion.
–
green light
Network connection OK.
–
Tab. 15: LED connection status [XF1], [XF2]
