Testing A Battery - IBM 1000 VA LCD Installation And Maintenance Manual

Testing a battery

Before you run a battery test, make sure that:
v The batteries are fully charged.
v The uninterruptible power supply is in Normal mode with no active alarms.
v The load is greater than 10%.
To test the battery, complete the following steps:
1. Connect the uninterruptible power supply to a power outlet for at least 48 hours
2. While the main menu is displayed, press the down (
3. Press the down (
4. Press the OK button to view the Battery Test status.
5. If necessary, press the down (
6. Press the OK button to schedule the battery test for the next available test time.
During the battery test, the uninterruptible power supply transfers to Battery mode
and discharges the batteries for 25% of the original expected runtime. The front
panel displays Battery test running and the percentage of the test that is
completed. The results are displayed on the front panel when the test is completed.
to charge the batteries.
Control menu, and press the OK button.
) button to scroll to Battery Test.
test.
Note: If the battery test cannot be scheduled at this time, select Yes to Cancel
the test.
) button to scroll to the
) button to select Yes for Schedule battery
Chapter 5. Hardware maintenance information
39