Samson 3730-0 - Malfunctions

EB 8384-0 EN 55
Servicing
8 Servicing
The positioner 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
specications.
The positioner does not require any mainte-
nance.
Filters
Therearelterswitha100µmmeshsizein
the pneumatic connections for supply and
output which can be removed and cleaned,
if required.
Supply air pressure reducing stations
The maintenance instructions of any up-
stream supply air pressure reducing stations
must be observed.
8.1 Preparation for return ship-
ment
Defective positioners can be returned to
SAMSON for repair.
Proceed as follows to return devices to
SAMSON:
1. Put the control valve out of operation.
See associated valve documentation.
2. Removethepositioner(seesection10).
3. Send the positioner to your nearest
SAMSON subsidiary. SAMSON
subsidiaries are listed on our website at
uwww.samson.de>Contact.
9 Malfunctions
Î Troubleshooting(seeTable10)
Table10: Troubleshooting
Description of
fault Measures
Actuator moves
too slowly.
Î Check the supply
pressure.
Î Check the cross-section of
the piping and screw
ttings.
Î Checktheconguration
of the mounting parts.
Actuator moves
in the wrong
direction.
Î Check piping.
Î Checktheconguration
of the mounting parts.
Air leaks from
the positioner.
Î Check the seals in the
connecting plate.

Contact SAMSON's After-sales Service de-
partment for malfunctions not listed in the ta-
ble.
Note
Note