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Phenomenon
Measurement value is
displayed in abnormal
color.
Measurement value is
displayed "?".
Error is displayed when
an Equipment symbol is
selected.
Interlock condition cannot
be established even
though the Equipment is
not set with interlock.
After selecting CLOSE,
the operation takes too
long to complete.
Selection was cancelled
during selection and
control.
Cause
Incorrect data sent from IED
Incorrect measurement symbol
allocation at Equipment DB
maintenance.
HMI (PC) application error.
SC application error.
Incorrect data sent from IED
Incorrect measurement symbol
allocation at Equipment DB
maintenance.
HMI (PC) application error.
SC application error.
Condition to select device is not
established
Contents of IED information and
maintenance DB do not match
Incorrect device symbol
allocation at Equipment DB
maintenance.
HMI (PC) application error.
SC application error.
DB of SC and of IED does not
match.
Incorrect device symbol
allocation at Equipment DB
maintenance.
HMI (PC) application error.
SC application error.
IED error.
HMI (PC) application error.
SC application error.
Factor to cancel selection occurs
at IED side.
Selection was automatically
cancelled because of no
operation for a long time after
selection.
378
Corrective action
Check the IED status and data.
Check the maintenance contents
executed on Equipment DB.
Restart HMI (PC).
Restart SC.
Check the IED status and data.
Check the maintenance contents
executed on Equipment DB.
Restart HMI (PC).
Restart SC.
Remove the error contents and re-
select the device.
Check the contents of both DBs and
execute equipment DB maintenance
properly.
Check the maintenance contents
executed on Equipment DB.
Restart HMI (PC).
Restart SC.
Check the contents of both DBs and
execute Equipment DB maintenance
properly.
Check the maintenance contents
executed on Equipment DB.
Restart HMI (PC).
Restart SC.
Contact IED manufacturer.
Restart HMI (PC).
Restart SC.
Check the canceling factor displayed
in "Control" dialog of HMI.
This is a normal operation.
If necessary the no operation period
can be altered.
6F2M2000
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