Festo CPX-CEC - Page 31

1. System summary
1−15
Festo P.BE−CPX−CEC−EN en 1004a
PL (Power Load)  load supply (outputs/valves)
LED (green) Sequence Meaning Error treatment
LED lights up
ON
OFF
No error. Load voltage
applied

LED flashes
ON
OFF
Load voltage at the system
supply or additional supply
outside the tolerance range
Eliminate undervoltage
Tab.1/5: Displays of PL LED
SF (System Failure)  System error
LED (red) Sequence
1)
Meaning Error treatment
LED is off
ON
OFF
No error 
LED flashes
ON
OFF
Simple error/information
(error class 1)
See description of error numbers in
the CPX system manual
LED flashes
ON
OFF
Error (error class 2)
LED flashes
ON
OFF
Serious error
(error class 3)
1)
The system error LED flashes depending on the class of error which has occurred.
Error class 1 (minor error): flash once, pause
Error class 2 (error): flash twice, pause
Error class 3 (serious error): flash three times, pause
Tab.1/6: Displays of SF LED