Vertiv | Liebert PEX4 | User Manual 63
Controller Operating Instruction
Figure 3-8 Alarm Menu
Alarm History: The Alarm History is used to view the historical alarm records, including the Alarm Status
Number (quantiable number of history alarms), Alarm Serial Number and Alarm Type, Alarm Time (Start and
End Time) as shown in Figure 3-9.
Figure 3-9 Alarm History
Press the Up or Down button to scroll through the status records if more than one alarm is activated. Up to
500 historical alarm records can be stored. They will not be cleared upon system Power-O.
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