3. Diagnosis
NS (network status)
LED
Sequence
green/red)
ON
OFF
LED lights up
green
ON
OFF
LED
flashes green
ON
OFF
LED
flashes red
ON
OFF
LED
lights up red
en 0206NH
Festo P.BE-CPX-FB14-GB
Status
Network OK
Fault counter overrun
Failure of 24 V CAN
receiver supply
Bus OFF
Fault treatment
–
Check bus: cables, plug connectors,
•
signal transmission
Check and restore power supply
•
Check bus: cables, plug connectors,
•
signal transmission (fault counter
overrun)
3-11