Omron POWLI BU50XS Instruction Manual page 35

7.
Attach the front panel.
Insert the lug at the bottom of the front panel into the hole in the main body ➀ and push it towards the main
body. ➁
Turn the 2 screws at the top of the font panel clockwise with a screwdriver securely.
8.
Battery replacement is now complete.
● Fill in the date of replacement on the label on the top of the UPS.
● If you use the UPS monitoring software, enter the date of battery replacement to update it.
● After replacement, press and hold the Start Switch for at least 20 seconds to execute the self-diagnostic
test after battery replacement.
The beeper sounds as follows:
• No beep sounds within 10 seconds after starting the press of the Start Switch.
• A beep sounds at intervals of 1 second from 10 seconds to 20 seconds.
• The beeper sounds continuously after 20 seconds.
Release the Start Switch when the beeper sounds continuously.
The 10-second self-diagnostic test starts.
• If there is no error in the operation of the equipment after battery replacement, the Error Lamp and the
Battery Replacement Lamp do not go on and a beep does not sound.
• If the Error Lamp goes on and the beeper sounds continuously, take necessary countermeasures
according to "1" of "C. Failure (display and beep when a failure occurs in equipment)" on page 23.
• If the Battery Replacement Lamp goes on and the beep sounds continuously, the battery pack is not
connected correctly. Check the connection of the battery connector again.
Notes
Discard the battery after replacement.
● If you keep it for a long time, dilute sulfuric acid may leak from the battery.
● For information on discarding the battery, contact us please;
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6. Maintenance and inspection