EB 5757 EN
25
Malfunctions
Table 1:
Troubleshooting
Error
Possible reasons
Recommended action
Actuator or plug stem does not
move on demand.
Actuator is blocked.
Check attachment.
Unblock the actuator.
No or incorrect power supply con-
nected.
Check the power supply and
connections.
Actuator or plug stem does not
move through the whole range.
No or incorrect power supply con-
nected.
Check the power supply and
connections.
The electric actuator with process
controller does not perform the
functions as required.
The configuration of the electric ac
-
tuator does not meet the applica-
tion requirements.
Check configuration.
If necessary, refer to the Con-
figuration Manual
u
The electric actuator was reset to
its default settings without adapt-
ing the configuration to the appli
-
cation afterwards.
