IBM 11000 VA LCD 5U, Installation And Maintenance Manual

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to the fourth row. The bottom-right corner of the alarm history screen displays two
numbers: an ordering number of the event in the log, followed by the total number
of events in the log.
If there are no events in the log, the message No events in log is displayed on the
alarm history screen.
For more information, see “Retrieving the alarm history” on page 37.
Meters
The meters screens provide the following meters information:
v Output watts, VA, current, power factor, voltage, and frequency
v Input voltage and frequency
v Battery voltage and percentage charged
v DC bus voltages
Control screens
The following table describes the available control screens.
Table 7. Control screens
Control screen Description
Go to Bypass Transfers the UPS system to internal Bypass mode.
When the Go to Bypass command is issued, the screen displays the
Manual
Bypass Comment Sent message for 5 seconds. The option then changes to Go to
Normal.
When the Go to Normal command is issued, the screen displays the
Normal Mode
Command Sent message for 5 seconds. The option then changes to Go to Bypass.
Battery test Schedule Battery Test: yes | Cancel Battery test: no
Starts a manual battery test.
See “Testing a battery” on page 54.
Reset error state Reset Alarms: yes | no
Manually clears any latched alarms, such as bad battery detected or DC Bus
OV/UV, and then performs a self-diagnostics test of the LCD, alarm sounds, and
fans.
If a bad battery alarm was also active, resets the battery test status to Not
Tested.
Load segments Load segment 1: on | off
Load segment 2: on | off
These on/off commands override automatic load segment on/off controls that are
made by the Automatic Start Delay and Automatic On Battery Shutdown settings.
See “Configuring load segments” on page 38.
Restore factory settings Restore Factory Settings: yes | no
Available only in Standby mode.
Restoring the factory settings:
v Returns all user-configurable EEPROM settings to default factory settings
v Resets all pending on/off commands
v Clears the alarm history and resets all statistic values and time stamps
v Resets the battery test status
v Initiates the Self Diagnostics test
Chapter 3. Operating the uninterruptible power supply
31