Locking The Manual Override - Festo VIFB-02- Series Manual

VIFB1 – 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
> IFB1-02_BES_V_018474g1_1996-04N - Restored Document - 2011-12-15 <
9604
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 aga-
inst unauthorised use in systems where se-
curity is of great importance.
A conversion must be made to the manual over-
ride before it can be locked.
Error treatment
after switching off
compressed air supply
Checking the seal or
hose fitting
• Check the
hose lines
• Check operating pressure
• Service case
4-17