2. Press the down ( ) button to scroll through the active notice and alarm
screens, and then the battery status screens.
Alarm history menu
From the Alarm history menu, you can access the last 50 events, which include
events, notices, and alarms, arranged from latest to oldest.
To access troubleshooting information by using the Alarm history menu, complete
the following steps:
1. From the main menu, press the down (
) button to scroll to the Alarm history
menu, and press the OK button.
2. Press the down (
) button to scroll through the listed events, notices, and
alarms.
Serial connection to a computer
Through a serial connection, you can access the last 50 events, notices, and
alarms that are recorded in the UPS alarm history. The events are arranged from
latest to oldest.
To access the alarm history from a computer, complete the following steps:
1. Connect a serial cable to the UPS and to a computer.
2. On the computer, start a terminal emulation program, such as HyperTerminal, to
establish communication with the UPS. Set the computer COM port to the
following settings (see the following illustration):
v Bits per second: 2400
v Data bits: 8
v Parity: None
v Stop bits: 1
v Flow control: None
56 11000 VA UPS and 11000 VA EBM: Installation and Maintenance Guide
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