3. Diagnostics
3-10
Festo P.BE-CPX-FB32-EN en 1111a
EtherNet/IP-specific LEDs
MS – module status
LED Sequence Status Meaning / error handling
Is of f
ON
OFF
Logic supply for bus
interface not applied
• Check logic supply
Lights up green
ON
OFF
Operating status normal None
Flashes green
ON
OFF
CPX terminal must be
placed in operation as the
configuration is missing,
incomplete or incorrect.
Carry out, complete or c orrect the
configuration
Flashes red
ON
OFF
Error can be rectified Complete or c orrect the configuration
Lights up red
ON
OFF
Error c annot be rectified Check CPX expansion as well as other
LEDs and, if necessary, request service
Flashes
red-green
ON
OFF
CPX terminal is in self-test None
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