Messages during initialization
Message Line Meaning/cause Measure
Up Down
P--- X Measuring range was exceeded, the potenti‐
ometer is in the inactive zone, the transmis‐
sion ratio selectors or the effective lever arm
are not adjusted as per the actuator travel
● Switch the transmission ratio selector to
90°, especially in the case of part-turn ac‐
tuators.
● Adjust the effective lever length of linear
actuators as per the measuring range.
RUN 1 X Initialization was started, part 1 is active (the
direction of action is determined)
● Wait.
RUN 2 X Initialization part 2 is active (actuator travel
check and determination of stops)
● Wait.
RUN 3 X Initialization part 3 is active (determination
and display of travel times)
● Wait.
RUN 4 X Initialization part 4 is active (determination of
the minimum controller increment length)
● Wait.
RUN 5 X Initialization part 5 is active (optimization of
the transient response)
● Wait until "FINSH" is displayed. Initializa‐
tion was completed successfully.
YEND1 X The first position of the stop can be approach‐
ed only in case of a manual initialization
1. Approach first position of the stop with the
button or .
2. Acknowledge using button.
YEND2 X The second position of the stop can be ap‐
proached only in case of a manual initialization
1. Approach second position of the stop with
the button or .
2. Acknowledge using button.
RANGE X The position of the stop or the measuring
span is beyond the permissible measuring
range only in case of a manual initialization
● Approach a different position of the stop
using or button and acknowledge
using button.
● Move the friction clutch until "ok" is dis‐
played, and then acknowledge with the
button.
● Terminate the initialization process using
the button, switch to the P-manual
mode, and correct the actuator travel and
the position displacement sensor.
ok x The permissible measuring range of end po‐
sitions is achieved only in case of a manual
initialization
● Use the button to acknowledge; the re‐
maining steps ("RUN 1" to "FINSH") run
automatically.
RUN 1 /
ERROR
X Error in "RUN 1", no movement e.g. due to the
lack of compressed air
Possible causes:
● Insufficient supply of compressed air.
● Restrictor(s) blocked.
● Actuator does not move freely.
Measures:
1. Eliminate possible causes.
2. Restart initialization.
Diagnostics and troubleshooting
11.1 Output of system messages in the display
SIPART PS2 with 4 to 20 mA/HART
208 Operating Instructions, 11/2019, A5E00074631-AE
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