When the problem has been fixed or the condition causing the event has passed, the event
status changes to
OVER
and the event message disappears from the
Events
panel.
The
OVER
status is shown only in the history files, which you can view with the ASCII Log
View application. You can use the history files to track, for example, how long it took for a
problem to be solved.
The following table shows an example of the event chain.
Table 22 An Example of the Event Chain
Event
Color
System Event Message and
Status
ASCII Log View Message and
Status
Communication
between cloud height
meter and CDU
corrupted at 09:38
Red event row
in Diagnostics
09:38 LLWAS_WIND_SENSOR
DATA MISSING
, Status:
ALARM
09:38 LLWAS_WIND_SENSOR
DATA MISSING
, Status:
2
Observer notices and
acknowledges the
event at 09:43
Red Status
column in
Diagnostics
09:43 LLWAS_WIND_SENSOR
DATA MISSING
, Status:
ACKNOWLEDGED ALARM
09:43 LLWAS_WIND_SENSOR
DATA MISSING
, Status:
1
Maintenance fixes the
problem at 10:09
-
Message disappears from
Events panel
10:09 LLWAS_WIND_SENSOR
DATA MISSING
, Status:
0
(=
over)
More Information
‣
Introduction to ASCII Log View (page 55)
6.4 Troubleshooting Diagnostics
Table 23 Troubleshooting Diagnostics Application
Problem
Probable Cause
Solution
The Heartbeat icon is static green,
not blinking.
The Diagnostics application is
down.
Restart the application.
Low-Level Windshear Alert System User Guide
M210885EN-K
54
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