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● FdtSt - Failed Test
The following status messages appear when the larger button is pressed:
● notoL - No Tolerance
● Strt - Start
● StoP - Stop
12 PRPST - time since the last partial stroke test
The time (in days) elapsed since the last partial stroke test is displayed here. In addition, the
following status messages can be displayed:
● notSt - No Test
● SdtSt - Stopped Test
● FdtSt - Failed Test
13 NXPST - time until the next partial stroke test
The time (in days) until the next partial stroke test is displayed here. The conditions are that
the partial stroke test is activated in the configuration menu and a test interval is set. If one of
the two conditions is not met, "OFF" is shown on the digital display.
14 DEVI - general control valve fault
This value provides information about the present dynamically determined deviation from the
model response. If the underlying function is deactivated in the configuration menu, "OFF" is
displayed.
15 ONLK - pneumatic leakage
The current leakage indicator is displayed here. If the leakage detection is deactivated in the
configuration menu, "OFF" is displayed.
16 STIC - static friction/slipstick effect
The filtered value of the step height based on static friction is displayed here in percent. If the
function is deactivated in the configuration menu, "OFF" is displayed.
SIPART PS2 with PROFIBUS communication
Operating Instructions, 09/2007, A5E00127926-07
The last partial stroke test has failed.
The control valve is beyond the tolerance range to start the partial stroke test. A manual
partial stroke test is not started.
A manual partial stroke test is started five seconds after pressing the button.
The current partial stroke test is interrupted.
A manual partial stroke test was not yet executed.
The last Partial-Stroke-Test was interrupted.
The last partial stroke test has failed.
Alarm, fault and system messages
12.2 Diagnostics
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