EB 8222-1 EN 8-3
Malfunctions
Contact our after-sales service for malfunc-
tions not listed in the table.
8.2 Emergency action
The plant operator is responsible for emer-
gency action to be taken in the plant.
In the event of a valve malfunction:
1. Close the shut-off valves upstream and
downstream of the control valve to stop
the process medium from owing
through the valve.
2. Perform troubleshooting (see sec-
tion8.1).
3. Rectify those malfunctions that can be
remedied based on the instructions pro-
vided here. Contact our after-sales ser-
vice in all other cases.
Putting the device back into operation after
a malfunction
See the 'Start-up' section.
Note