Eliminating Faults - Festo CPV-VI Series Manual

4. Commissioning
4.3

Eliminating faults

Operating status of the
pneumatic system
Air escapes ...
– from the common line connections
– from the work line connections
– between the modules
The valve or the pneumatic system
– does not react as expected
– does not react
– does not react
Festo P.BE-CPV-EN en 0005e
Impairment of function
After switching on the compressed air supply or when subse-
quently testing the individual valves, you can learn the follow-
ing about the operating status of the pneumatic system:
Valve position
– Basic position
– Switching posi-
tion
– Basic position
– Switching posi-
tion
– Switching posi-
tion
– Basic position
Error treatment when the
compressed air supply has been
switched off
S Checking the seal ring or the tube
fittings
S After switching on again, regulate
the separate auxiliary pilot air to
3 to 8 bar.
S Check the tubing
S After switching on again check the
operating pressure (e.g. pressure
zones)
S Servicing required
– Check the controller connection
(apply pressure > 3 bar at con-
troller)
4-11