Valves - Festo Compact Performance CPV Series Manual

3. Diagnosis

3.2.3 Valves

1
Yellow LED row
for pilot solenoid
14
2
Yellow LED row
for pilot solenoid
12
Fig. 3/2: LEDs of the valve solenoid coils
LED Switching position of
valve solenoid coil
Yellow out Basic position
Yellow alight Switching position
or
Basic position
3−6
There is a yellow LED for each valve solenoid coil. This LED
indicates the switching status of the valve solenoid coil.
1
Meaning
Logic 0 (no signal)
Logic 1 (signal present)
Logic 1 but operating voltage of valves is below
permitted tolerance range (DC < 20.4 V)
or
compressed air supply not correct, pilot exhaust
air blocked
or
servicing required
Festo P.BE−CP−SD8−...−EN en 0503b
2