Festo — CPX-AP-A-EP-M12 — 2022-07
Diagnostics and fault clearance
47
System diagnostics [SD]
LED (red,
green)
Meaning
Remedy
off
Logic supply PS not available.
Check connection of logic supply PS.
green light
System diagnostics not active
–
flashing green
0.5 Hz
System diagnostics active
Degree of severity "Information"
e.g. load supply PL to a module not
available or firmware update in a
module active.
–
flashing red
0.5 Hz
System diagnostics active
Degree of severity "Warning"
e.g. parameterisation error in a module.
red light
System diagnostics active
Degree of severity "Error"
e.g. sensor supply short circuit in a
module.
fast green
flashing 2 Hz
Module identification (service function) –
Tab. 42: LED system diagnostics [SD]
