4. Commissioning
4-20
Festo P .BE-MPA-EN en 1108e
4.7 Fault finding
4.7.1 Impairment of function
Afte r swi t ch i n g on the compre ss e d air supply or whe n
subse que nt l y test i n g the indi vidual val ve s , you can learn th e
following about the operating status of the pneumatic system:
Operating status of:
the pneumatic system
Error handling when the compressed air
supply has been switched off
Air esc apes from ...
– common line or working line connections
• Check the tubing fitting
The valve or the pneumatic system ...
– Does not react as expected
–Not
• Check the installation of the tubing lines
• Check the electric cables
• Bring the detenting manual override into the
initial position
• After switching on again, chec k the operating
pressure (if necessary for each pressure
zone). Set ope rating pressure in accordance
with instructions in Chapter 3.
• Servicing required
Valve terminals with regulated external pilot air
supply:
• After restarting, check the pilot pressure
(if necessary, set this depending on the
operating pressure, see Chapter 3)
Tab. 4/9: Function impairment of the pneumatic system
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