Festo CPX-FB23, Electronic Manual

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3. Diagnosis and error treatment
3−9
Festo P.BE−CPX−FB23−EN en 0308NH
SF (System Failure) system fault
LED (red) Sequence
1)
Status Meaning/fault treatment
LED is out
ON
OFF
No fault
LED flashes
ON
OFF
Simple fault/information
(fault class 1) See description of fault numbers in
the CPX system manual
LED flashes
ON
OFF
Fault
(fault class 2) See description of fault numbers in
the CPX system manual
See specific faults of the CPX−FB23,
section 3.2.
LED flashes
ON
OFF
Serious fault
(fault class 3) See description of fault numbers in
the CPX system manual
1)
The system fault LED flashes depending on the class of fault which has occurred.
Fault class 1 (simple fault):
flash once, pause
Fault class 2 (fault): flash twice, pause
Fault class 3 (serious fault): flash three times, pause