Festo CPV10 - Eliminating Faults

4. Commissioning
4−13
Festo P.BE−CPV−EN en 0503g
4.3 Eliminating faults
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:
Operating status of the
pneumatic system
Valve position Error treatment when the
compressed air supply has been
switched off
Air escapes from ...
 the common line connections
 the work line connections
 between the modules
 Basic position
 Switch position
 Basic position
· Checking the seal ring or the tube
fittings
· Checking the seal ring or the tube
fittings
· After switching on again, regulate
external pilot air to 3...8 bar).
The valve or the pneumatic system
 does not react as expected
 does not react
 does not react
 Switch position
 Switch position
 Basic position
· Check the tubing
· After switching on again check the
operating pressure (e.g. pressure
zones)
· Bring the locking manual override
into the basic position
· Servicing required
· Check the controller connection
(apply pressure u3 bar at
controller)
Tab.4/6: Function impairment of the pneumatic system