Vertiv | Liebert® GXT5™ | Installer/User Guide 71
4.2.6. Log Screen
The Log Screen oers tabs that list the current alarms and the alarm/event history. Table 4-4 below, describes
the alarm messages you may see in the logs.
To view the logs:
1. At the main menu, select the Log icon, and press Enter.
2. Use the arrow buttons to move the cursor left/right and select a tab, then press Enter to display the log for
the selected tab.
Figure 4-7 Current and History Log Tabs
Table 4-4 Alarm Messages
MESSAGE DESCRIPTION
Aux. power fault UPS internal auxiliary power voltage fault. Contact Vertiv Technical Support.
Battery cabinet connect
abnormal
More than 10 external battery cabinets are connected to the UPS. Disconnect excess
battery cabinets.
Battery EOD
The battery has reached the end of discharge and mains/utility power is unavailable.
Restore the mains power. The UPS will power o if it is not restored.
Battery low pre-warning
This alarm occurs when the battery approaches the EOD. After the pre-warning, the
battery capacity allows two minutes discharge at full load. The user can set the time
with the Low Battery Time setting in Battery settings from 2 min - 30 min, (2 min by
default). This allows for any loads to be shut down before the system powers o if utility
power cannot be restored.
Battery mode
The UPS operates
in battery mode. The alarm will clear when utility power is restored.
Battery overtemp
Battery ambient temperature too high. Ensure that the battery ambient temperature is
not higher than setting value 40 ~ 60 °C (default: 50 °C)
Battery replacement timeout
The system time is past the time set for the batteries to be replaced. If you have
disabled the “Batt. note duration” or have no batteries installed, the alarm will not occur.
Battery reversed
The battery positive and negative are reversed. Reconnect the battery and check the
battery cable connections.
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