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tonitoni99

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HP UPS on buck

We have a HP UPS R1500 G3. It keeps beeping alerts - UPS on buck.

I tried to reduce servers to make it less load, but it is still beeping all the time.  

Any idea? thanks
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Member_2_406981

Maybe the battery went bad. Try to access the UPS with its monitoring and management tool too see details of its status.
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This means that the incoming voltage is significantly higher than the set output voltage.  No big problem, however battery life may be shortened and things will run warmer and use more power. Reducing the load will not help, in fact it may make matters slightly worse.

It is worth checking the set voltage.  Here in Australia, HP UPS ship set to 230V, however our normal line voltage is 240. Other regions are set to 110, but the supply is 117.

You can also check with the supplied software, and get a graph of line voltage.  If it is out of the local power companies published specs, get in contact with them and ask for proper power.
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Mal Osborne
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