Testing The Battery - Eaton 9910 User Manual

UPS MAINTENANCE

Testing the Battery

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Eaton 9910 UPS and EBM User's Guide
Before you run a battery test, verify that:
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The batteries are fully charged (the LCD displays the battery status
message Battery resting).
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The UPS is in Normal mode with no active alarms.
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The load is greater than 10%.
To test the battery:
1. Connect the UPS to a power outlet for at least 48 hours to charge
the batteries.
2. While the main menu is displayed, press the down (
scroll to the Control menu, and press the OK button.
3. Press the down ( B
4. Press the OK button to view the Battery Test status.
NOTE If the battery test is already scheduled or running, you can choose to cancel the test.
If the previous battery test failed or did not complete, see Table 15 on page 62 for more
information before scheduling another test.
5. If necessary, press the down (
battery test.
6. Press the OK button to schedule the battery test for the next
available test time.
During the battery test, the UPS discharges the batteries for 25% of the
original expected runtime. The front panel displays the percentage of the
test that is completed. The results display on the front panel when the
test is completed.
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P-164000005 Rev 2
) button to scroll to Battery Test.
B
) button to select Yes for Schedule
B ) button to