5-9
Message
LUI display
example *1
LUI display
Description and cause Action
Upper
part
Lower part
[*: Optional]
Po Validity +
Alarm
― ―
The output air pressure
validity + is larger than
the threshold value.
Check the operation of
the control valve.
Po Validity -
Alarm
― ―
The output air pressure
validity - is smaller than
the threshold value.
Check the operation of
the control valve.
Max Friction
Alarm
― ―
The maximum friction is
larger than the threshold
value.
Check the operation of
the control valve.
Stick-Slip
High Alarm
― ―
Stick-slip is larger than the
“High” threshold value.
Check the operation of
the control valve.
Stick-Slip
Medium
Alarm
― ―
Stick-slip is larger than
the “Medium” threshold
value.
Check the operation of
the control valve.
Stick-Slip
Low Alarm
― ―
Stick-slip is larger than
the “Low” threshold value.
Check the operation of
the control valve.
Deviation +
Alarm
― ―
The deviation + is larger
than the threshold value.
Check the operation of
the control valve.
Deviation -
Alarm
― ―
The deviation - is smaller
than the threshold value.
Check the operation of
the control valve.
Zero Travel
+ Alarm
― ―
The zero point opening
+ is larger than the
threshold value.
Check the operation of
the control valve.
Zero Travel -
Alarm
― ―
The zero point opening
- is smaller than the
threshold value.
Check the operation of
the control valve.
Travel Cutoff
High
― ―
The valve was forcibly
fully opened.
Check the forced fully
open and closed values
and apply the input signal
within the setting range.
Travel Cutoff
Low
― ―
The valve was forcibly
fully closed.
Factory
Settings
Restored
― ―
The data set when the
device was shipped from
the factory was restored.
The factory data restoration
(Restore factory settings)
operation was performed.
Perform appropriate
adjustment and setup.
In Use by an
Operator
― ―
Settings are being
changed through HART
communication or with the
LUI.
Check who the operator
is that is changing the
settings.
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