APC 990 User Manual
Troubleshooting: Alarm Types
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Symmetra MW with External Bypass Static Switch Operation Manual - 990-1377D-001
How to view active alarms
Note: The Active Alarms screen includes a recommended action for resolving each problem.
How to view the event log
The event log can be accessed either by pressing the Event Log button on the Active Alarms screen (see
“How to view active alarms” on page 26) or by following this procedure:
“How to view active alarms” on page 26) or by following this procedure:
The Event Log screen contains a detailed record of the system’s latest 1024 events. This includes
operation mode changes, system alarms, etc.
operation mode changes, system alarms, etc.
Press the red triangular alarm symbol to
view active alarms.
view active alarms.
Only active alarms will appear in this list.
Previous alarms are stored in the Event Log,
which contains a detailed record of the
system’s last 1024 events. Press the Event
Log button to go to the Event Log.
Previous alarms are stored in the Event Log,
which contains a detailed record of the
system’s last 1024 events. Press the Event
Log button to go to the Event Log.
Press the Operation button in the bottom
left corner to access the Operation screen.
left corner to access the Operation screen.
Press the View Event Log button to access
the Event Log screen.
the Event Log screen.