Vertiv | Liebert® CRV4 | User Manual 79
Micro-Controller (Text-screen)
Figure 7-13 Alarm Information Status Screen
• Alarm Status
The Alarm Status menu is used to monitor the active alarm status records of the unit, indicating no alarm or
specic alarm status information. The specic alarm status information includes XX/YY, alarm type, and alarm
occurrence time, as shown in Figure 7-14. Among them, XX is the alarm number, which means that the active
alarm status record is displayed; YY refers to the total number of alarm status records that currently occurs.
Figure 7-14 Alarm Status Screen
• The last alarm number is the smallest number. When multiple alarms occur, press the up or down button
to scroll the query up or down continuously.
• The active alarm record is automatically cleared when the system is powered O.
• Alarm History
The Alarm History menu is used to query the historical alarm information of the unit, including XX/YY, alarm
type, alarm occurrence time, and alarm end time, as shown in Figure 7-15. Among them, XX is the current history
alarm number; YY refers to the total number of history alarm records that currently occurs.
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