Festo CPX-4AE-4AA-H Operating Instructions Manual page 48

Diagnostics
Module error display
LED Meaning
(red)
error-free operation
off
Module error
– All channel-specific errors
– Parameterisation errors of hysteresis è Tab. 17 Description of the "Behaviour after short
on
circuit/overload" module parameter.
– The DIL switch is incorrectly set.
Tab. 45: Module error display LED
Display of channel error
Each channel is assigned an LED.
LED Meaning
(red)
error-free operation
off
Channel-specific error è Tab. 44 Error messages of the analogue module.
on
Tab. 46: LED display of channel error
Channel status display of input
The LED 0 ... 3 (green) indicate the status of the individual channels.
LED Meaning
(gree
n)
Channel inactive or active as output
off
48 Festo — CPX-4AE-4AA-H — 2021-06b