Led Displays - Festo CPX-AP-A-12DI4DO-M12-5P Operating Instructions Manual

Diagnostics and fault clearance
9.2

LED displays

Module diagnostics [MD]
LED (red, Meaning
green)
Logic supply PS not available.
off
Module diagnostics not active
green light
Module diagnostics active
Degree of severity "Information"
e.g. switching off load supply PL
flashing green
0.5 Hz
Module diagnostics active
Degree of severity "Warning"
e.g. parameterisation error
flashing red
0.5 Hz
Module diagnostics active
Degree of severity "Error"
e.g. undervoltage in logic supply PS
red light
Module ramp-up not yet completed.
System communication not yet initial-
ised.
flashing red
2 Hz
Module identification (service function)
flashing green
2 Hz
Tab. 10: LED module diagnostics [MD]
Festo — CPX-AP-A-12DI4DO-M12-5P — 2022-07
Remedy
Check connection of logic supply PS.
–
–
Take appropriate remedial action,
e.g. check parameterisation.
Take appropriate remedial action,
e.g. check logic supply PS.
–
–
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