When to replace batteries, Testing batteries, Updating the ups firmware – Dell UPS 1920R User Manual
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UPS Maintenance
When to Replace Batteries
When the status summary screen displays the UPS fault icon with the “Service Battery” alarm and the
audible alarm sounds continuously, the batteries may need replacing. Contact your service
representative to order new batteries.
NOTE:
With the user-replaceable battery feature, UPS batteries can be replaced easily without turning the UPS
off or disconnecting the load.
Testing Batteries
For a battery test to run:
S
The batteries must be fully charged.
S
The UPS must be in Normal mode with no active alarms.
S
The load must be higher than 10%.
To test the batteries:
1
Plug the UPS into a power outlet for at least 48 hours to charge the batteries.
2
Press the
button for one second to go to the main menu selection and scroll down to the
Control menu using the button.
3
Press the
button to enter the Control menu.
4
Use the button to scroll to the Battery Test option.
5
Press the
button to start the battery test.
During the battery test, the UPS 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 completed. The results display on the UPS front panel when complete.
Updating the UPS Firmware
To keep the UPS firmware updated with the latest improvements and benefits, visit www.dell.com for
updates. You can download the latest firmware version and the instructions for installing it.