Vertiv | Liebert XDH | User Manual
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Controller Operation Instructions
Figure 6-9 Current Alarm Menu
• The largest number is the latest SN alarm. When more than one alarm is activated, press the Up or Down
button to scroll through the alarm status records.
• The current alarms are automatically cleared upon system power failure.
6.6.4.Historical Alarm
The historical alarm menu is used to query the historical alarm information of the air conditioner unit, including
the XX/ YY, alarm type, alarm generation time, and alarm clearing time, as shown in
. XX indicates the
alarm SN, and YY indicates the total number of reported alarms.
Figure 6-10 Historical Alarm Menu
• When multiple alarms are reported, use the Up or Down key to query.
• Up to 400 historical alarms can be stored. Historical alarms are not cleared upon power failure.
6.6.5.Alarm Setup
On the Alarm Menu, select the Alarm setup to enter the Alarm Setup screen. Use the Up or Down key to query
menu items. The Alarm Setup menu includes the alarm values, system alarm attributes, sensor alarm attributes,
and fault alarm polarity. Parameter settings can be saved permanently.