Festo CPX-FB14 Description page 153

3. Diagnostics
I/O status
LED Process
(green/red)
ON
OFF
LED illumin­
ated green
ON
OFF
LED is flash­
ing red
ON
OFF
LED illumin­
ated red
Tab. 3/9: "I/O" status display
Festo P.BE-FB14-EN en 1411d English
Status
I/O status OK
"I/O error"
undervoltage, short circuit/
overload or wire fracture on a
module
"Communication error"
Node guard or heart beat
elapsed (system goes into
pre-operational mode)
Error handling
–
Eliminate error on module
•
1. Clarify reason for time out
2. Set CPX terminal to operational
mode
3-11