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3. Diagnostics and error handling
SF (System Failure) – System fault
LED (red)
Sequence
ON
OFF
LED is off
ON
OFF
LED flashes
ON
OFF
LED flashes
ON
OFF
LED flashes
1)
The system fault LED flashes depending on the class of fault which has occurred.
Fault class 1 (simple fault):
Fault class 2 (fault):
Fault class 3 (serious fault):
3-8
1)
Status
No error
Simple fault/information
(error class 1)
Error
(error class 2)
Serious fault
(error class 3)
1 * flash, pause
2 * flash twice, pause
3 * flash three times, pause
Meaning/error handling
–
See description of error numbers in
the CPX system manual
Festo P.BE-CPX-FB20/21-EN en 1202a
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