Festo MPA-FB Series, Manual

Page: 94 / 168

4. Commissioning
4−16
Festo P.BE−MPA−EN en 0502b
4.5 Eliminating faults
4.5.1 Impairment of function
After switching on the compressed air supply or when subse
quently testing the individual valves, you can learn the following
about the operating status of the pneumatic system:
Operating status of:
the pneumatic system Fault treatment when the compressed air
supply has been switched off
Air escapes from ...
common line or work line connections
·
Check the tubing fitting
The valve or the pneumatic system ...
does not react as expected
does not react
·
Check the tubing
·
Check the electric cables
·
Bring the locking manual override into the
basic position
·
After switching on again check the operating
pressure (if necessary for each pressure zone)
Set operating pressure in accordance with in
structions in chapter 3.
·
In the case of valve terminals which are oper
ated with regulated external auxiliary pilot air,
check the pilot pressure after switching on
again (if necessary set as a factor of the operat
ing pressure, see chapter 3)
·
servicing required
Table4/8: Function impairment of the pneumatic system