3. Diagnostics
3-12
Festo P.BE-CPX-FB32-EN en 1111a
I/O (I/O status)
LED Sequence Status Meaning / error handling
Is of f
ON
OFF
– Logic supply for bus
interface not applied
– Outputs are inactive
• Check logic supply
Lights up
ON
OFF
One or more outputs are
controlled via EtherNet/IP.
No output is faulty.
None
Flashes green
ON
OFF
One or more outputs are in
the idle state and none of
the outputs is active or
faulty.
I/O control via EtherNet/IP, but device
is allocated by the master and the
master is in idle mode, e.g.
programming mode.
Flashes red
ON
OFF
One or more outputs are
defective, possibly in a
faulty status.
Check the inputs/o utputs and the
communication connection to the
master.
Lights up red
ON
OFF
One or more outputs are
forcibly switched off
(perhaps an error which
cannot be corrected); one
or more inputs have an
error which cannot be
corrected
Check the other LEDs, if necessary
request servicing
Flashes red/green
ON
OFF
CPX terminal is in self-test None
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