Servicing; Preparation For Return Shipment - Samson TROVIS 5724-3 Mounting And Operating Instructions

for control. The W1 set point entered in
TROVIS-VIEW is ignored.

7 Servicing

Note
The electric actuator with process controller
was checked by SAMSON before it left the
factory.
− The product warranty becomes void if ser-
vice or repair work not described in these
instructions is performed without prior
agreement by SAMSON's After-sales Ser-
vice department.
− Only use original spare parts by
SAMSON, which comply with the original
specifications.
Table 1: Troubleshooting
Error
Actuator or plug stem does not
move on demand.
Actuator or plug stem does not
move through the whole range.
The electric actuator with process
controller does not perform the
functions as required.
EB 5724 EN
7.1 Preparation for return ship-
Defective electric actuators can be returned
to SAMSON for repair.
Proceed as follows to return valves to
SAMSON:
1. Put the control valve out of operation and
2. Remove the electric actuator from the
3. Send the electric actuator to your nearest
Possible reasons
Actuator is blocked.
No or incorrect power supply con-
nected.
No or incorrect power supply con-
nected.
The configuration of the electric
actuator does not meet the
application requirements.
The electric actuator was reset to
its default settings without adapt-
ing the configuration to the appli-
cation afterwards.
ment
remove it from the pipeline. See associat-
ed valve documentation.
valve. See section 9.2.
SAMSON subsidiary. SAMSON subsid-
iaries are listed on our website at
u www.samson.de > Contact.
Recommended action
Check attachment.
Unblock the actuator.
Check the power supply and
connections.
Check the power supply and
connections.
Check configuration.
If necessary, refer to the Con-
figuration Manual
u KH 5724.
Servicing
29