Back-UPS ES 700 - Constant beep and red LED flashing every hour

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Hello,

recently I've got myself a Back-UPS ES 700. However, I have a problem. Every hour or so, the UPS produces a continuous beeping noise and the red LED starts flashing. This last for about 10 seconds.

According to the manual, this would be due to bad battery or it not being connected, however the battery is brand new and I double checked it is connected properly. I also eliminated the possibility of the UPS being overloaded, as this happens even with no devices connected. I restarted it multiple times, again with no effect. Otherwise, the UPS works perfectly well, all devices were running on battery with no problem.

Does anybody have an idea what could be causing this issue?

Thanks!

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Back-UPS ES 700 - Constant beep and red LED flashing every hour

Back-UPS ES 700 - Constant beep and red LED flashing every hour

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