Locking The Manual Override - Festo VIFB-02 Series Manual

VIFB8 – 02
Operating status
of pneumatic system
Air comes out . . .
• of common line connections
• of work line connections
Valve or pneumatic system . . .
• does not react as expected
• does not react
Fig. 4/11: Operating status of the pneumatic system
4-18
4. Installation
Incorrect functioning:
When the compressed air supply is switched on
or during the subsequent test of the valves, the
following is known about the operating status of
the pneumatic system:
Valve position
• Basic setting
• Switch
position
• Switch
position
• Switch
position

Locking the manual override

WARNING
The manual override must be protected
against unauthorised use in systems where
security is of great importance.
The manual override must be converted and the
protection device fitted before it can be locked.
The relevant conversion instructions are to be
found in Appendix A, Manual override.
Error treatment
after switching off
compressed air supply
Checking the seal or
hose fitting
• Check the hose lines
• or check auxiliary pilot air
• Check operating pressure
• or check auxiliary pilot air
• Service case
9706