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Disable Alarm on CyberPower 450va Model SE450G or SX650G

Technology Support

One of our developers told us a tale of what happened to him one night when the power failed at his home.

Owning three CyberPower 450va Battery Backup units, when the power failed, a chorus of sirens (loud beeps) went echoing throughout his home. He didn’t want to turn the units off as the power usually failed for just a few minutes and he wanted his devices to remain plugged in. But there was no setting to disable the alarm and remain in battery mode.

Turns out there is and this article will tell you how to disable the alarm. When the power fails, just a click of the units switching to battery mode will occur, but no more sirens.

 

Turn the CyberPower Power Failure Alert Alarm Off

To turn the CyberPower battery backup power failure alert Alarm OFF, quickly press the power button twice.

If you hear two short beeps, this means that the Alarm is disabled. The unit will remember this setting. Test by unplugging the unit to ensure you’ve got the unit set correctly.

 

Turn the CyberPower Power Failure Alert Alarm On

To turn the CyberPower battery backup power failure alert Alarm ON, quickly press the power button twice.

If you hear a single short beep, this means that the Alarm is enabled. The unit will remember this setting. Test by unplugging the unit to ensure you’ve got the unit set correctly.

 

Conclusion

I welcome your thoughts, questions or suggestions on my article on how to disable the alarm on your CyberPower 450va model SE450G or SX650G.

You may support my work by sending me a tip using your Brave browser or by sending me a one time donation using your credit card.

Let me know if you found any errors within my article or if I may further assist you by answering any additional questions you may have.

 

 

June 15, 2017
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https://endurtech.com/wp-content/uploads/2017/06/cyberpower.jpg 512 512 Manny https://endurtech.com/wp-content/uploads/2018/04/endurtech-logo.png Manny2017-06-15 10:17:462021-04-01 10:03:42Disable Alarm on CyberPower 450va Model SE450G or SX650G
6 replies
  1. Tony P.
    Tony P. says:
    December 31, 2020 at 6:40 pm

    Thank you for info on how to turn beep off.

    • Manny Rodrigues
      Manny Rodrigues says:
      December 31, 2020 at 6:41 pm

      Happy to hear my article has helped you.

  2. Niles Light
    Niles Light says:
    April 1, 2021 at 9:43 am

    Re the alarm shut off on the cyber power 450va, does that permanently shut off the alarm, or is it per occurrence? Like your developer, I had my 2 go off, repeatedly. My power cycled off and on over 75 times in a 45 minute period before finally going off for an hour. Not sure what happened. But the constant beeping made wife and dog extremely anxious. I was away. I need to get the alarms off permanently. Thanks!

    • Manny Rodrigues
      Manny Rodrigues says:
      April 1, 2021 at 9:44 am

      Happy to help Niles. Once you’ve changed / triggered the setting on the battery backup unit, it will remember it (permanently).

  3. Steven
    Steven says:
    January 19, 2023 at 6:47 pm

    Thank you so much for this. Great having a UPS but the beeping during an outage is awful.

    • Manny Rodrigues
      Manny Rodrigues says:
      January 19, 2023 at 6:48 pm

      Happy to hear that my article on disabling the alarm on a CyberPower Battery Backup unit was helpful Steven.

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