Festo Compact Performance CPV Series, Manual

Page: 53 / 74

3. Diagnosis
3−5
Festo P.BE−CP−SD8−...−EN en 0503b
3.2.2 Error diagnosis
Reaction Signal Colour Operating status Error treatment
ON
OFF
Green Operating status normal
but:communication not
yet started,
CAN error counter
overrun
Start communication,
Check cables/plug
connections, reduce bus
length or baudrate
ON
OFF
Green/red Operating status normal
but:
self test active
(LED flashes red/green
alternately) Complete self test
ON
OFF
Red Station number = 0,
(with manual mode)
or
fault when self test starts Correct station number
Repeat test
ON
OFF
Red Undervoltage in valve
supply
( 20.4V) Check voltage supply
( = lights up; = flashes; = out)