Festo CPX-FB40 Description page 56

4 Diagnostics and error handling
PL (Power Load) – load voltage supply for valves/outputs
LED (green) Process
ON
OFF
LED
illuminated
ON
OFF
LED flashes
SF (system failure) – system fault
LED (green) Process
ON
OFF
LED flashes
ON
OFF
ON
OFF
ON
OFF
LED is not
illuminated
1) The system fault LED flashes depending on the class of fault which has occurred.
Error class 1 (slight error): 1× flash, pause time
Error class 2 (error): 2× flashes, pause time
Error class 3 (severe error): 3× flashes, pause time
56
Status
No error. Load voltage ap-
plied.
Load voltage at the system
supply or additional supply
outside the tolerance range.
1)
Status
Simple error/information
(error class 1)
Error
(error class 2)
Serious error
(error class 3)
No error
Significance/error handling
–
• Eliminate undervoltage
Significance/error handling
Description of error numbers in the
CPX system description
( P.BE-CPX-SYS-...).
–
Festo – P.BE-CPX-FB40-EN – 1408NH – English