Servicing; Preparation For Return Shipment; Malfunctions; Emergency Action - Samson TROVIS 5757-3 Mounting And Operating Instructions

With process controller for domestic hot water heating
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Servicing

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-
vicing or repair work not described in
these instructions is performed without pri-
or agreement by SAMSON's After-sales
Service department.
− Only use original spare parts by
SAMSON, which comply with the original
specifications.
7.1 Preparation for return ship-
ment
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
remove it from the pipeline. See associat-
ed valve documentation.
2. Remove the electric actuator from the
valve. See section 9.2.
3. Send the electric actuator to your nearest
SAMSON subsidiary. SAMSON subsid-
iaries are listed on our website at
u www.samson.de > Contact.
24

8 Malfunctions

Î Troubleshooting (see Table 1).
Note
Contact SAMSON's After-sales Service de-
partment for malfunctions not listed in the ta-
ble.

8.1 Emergency action

Operators are responsible for emergency ac-
tion to be taken in the plant.
Tip
Emergency action in the event of valve fail-
ure is described in the associated valve doc-
umentation.
EB 5757 EN

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