Siemens SIPART Series - 10.4.4 Remedial measures table 3

Alarm, error, and system messages
10.4 Fault correction
SIPART PS2 with and without HART
228 Operating Instructions, 10/2013, A5E00074631-11
10.4.4
Remedial measures table 3
Fault profile (symptoms)
Possible cause
Remedial measures
• Actuator does not move. • Compressed air < 1.4 bar • Set the supply air pressure to
> 1.4 bar.
• Piezo valve does not activate (a
gentle click sound is however
audible when the "+" or "-" buttons
are pressed in the manual mode.)
• Restrictor valve turned off (screw at
the right end stop)
• Open the restrictor screw by turning
it anticlockwise, see leaflet, "Device
view (6)".
• Dirt in the pneumatic block • Repair or a new device; clean
and/or replace the built-in fine
screens.
• A piezo valve acti
vates constantly in
the stationary automatic mode
(constant setpoint) and the manual
mode.
• Pneumatic leakage in the positioner
- actuator system; start the leakage
test in "RUN 3" (initialization).
• Rectify leakage in the actuator
and/or feed line.
• In case of an intact actuator and
tight feed line: Repair or new device
• Dirt in the pneumatic block, see
above
• See above
Fault table 3
See also
Repair/Upgrading (Page 233)