DELL J718N User Manual

64

|

UPS Maintenance

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.

 With the user-replaceable battery feature, UPS batteries can be replaced easily without turning the UPS

off or disconnecting the load.

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.

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.