Question about Powerstar APC Smart-UPS XL 3000VA RM 3U UPS Battery (SU3000RMXL3U) Replacement

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SU3000RMXL3U does not beep when power is cutoff

Does not beep when power is cutoff

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Friend you did not tell us if the ups changes over to battery when power is cutoff. However,if it does not change over, the inverter circuit may be faulty. But if the ups changes over but does not beep when it is battery operated, then the beep circuit may be checked.Good Luck.

Posted on May 16, 2014

Testimonial: "Yes it changes over to battery when it is cut off. It could either be the beep circuit or the system must has been setup from the software to not beep. Will check and resolve. Thank you"

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There is too much stuff over top the beeper...... The software may be programmed not to beep if the power dies after midnight or some such. The Utility Software should have a table of hours to change it back to defaults (all hours turn beeper on).

Posted on Feb 16, 2015

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