User’s Manual – 400E Series
Page 8
Alarm List
Indication
Whenever there is a new event in the
alarm list, the DCU indicates as
follows:
Buzzer oscillates
Alarm list LED flashes
The screen status bar flashes
Note! The color of the flashing LED
and status bar is either yellow
(warning) or red (alarm or shutdown)
depending on the most severe
unacknowledged event in the list.
Enter the Alarm List
To see the alarm list, press the alarm
list button.
Press the button again to leave the
alarm list.
The above picture indicates a warning
in the alarm list.
Filter Alarms
The alarm list can filter alarms in three
groups
All Alarms (all alarms and
diagnostics)
Panel Alarms (all alarms, no
diagnostics)
Diagnostics (diagnostics only)
To switch between the different views,
press the corresponding softbutton 2
and/or softbutton 3.
Silence the Buzzer
If the buzzer sounds,
press the alarm list button
to silence the buzzer.
If the alarm list is
currently
not
displayed, then
this operation will display the
alarm list.
If the alarm list
is
displayed,
then pressing the alarm list
button to silence the buzzer will
not exit the alarm list.
Acknowledge a single
alarm
In the alarm list, select the
alarm to be acknowledged
using the arrow buttons. Note
that the selected alarm line will
expand to reveal additional
information, if any.
Press the Acknowledge button
to acknowledge the selected
alarm.
