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25
Solution: Check that the installation
of adapter
is
in accordance with
Chapter 4.2.
2 was made. Adjust the
mounting brackets / the adapter.
5.5.3 Initialization error
If calibration is carried out in Step 1 an error occurs.
Display:
Solution: Check the air supply pressure
In manual control mode, check whether the valve
can be opened
or closed.
Check whether air is exhaling from the actuator.
5.5.4 Measuring range is insufficient
During the initialization of the positioner, the feedback range is less than 20.0.
Display:
Solution: Adjust the adapter (Fig. 4-5 4+5+8+9)
making
the feedback value range is greater
than 20.0.
5.5.5 User characteristic setting error
In the user defines profile, the vertices of the characteristic curve were not monotonously defined up/down (monotony violation).
Display:
Solution: Reset parameters / Check the connection of the positioner and the valve.
5.5.6 Feedback over limits
Feedback value is > 110% or < -10%
Display:
Solution: Check the feedback sensor and replace it if necessary. Re-initialize the positioner.
5.5.7 Input current outside the working area
If the value for the input current exceeds 21.6 mA (>110%) or less than 3.8 mA (<-10%) Is.
Display:
Solution: Check the input signal.
5.5.8
Actuator error
For some reason, the positioner opening angle of the valve does not refer to a certain position of the
actuator.
Display:
Solution: Clean the valve. Check the components connected to the valve.
UP
53
RERR
50.
{}
UPDN
35.
{}
speR
35.
15
FbER
120.
SVER
100.
bKER
100.