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Forum Discussion
UPS Warning
I have had this Duo for some time now with no trouble. I recently introduced a UPS device (CyberPower 1300) and connected the USB to the NAS and all went fine - it showed up on the FrontView with a g...
How much run time is shown on the cyberpower front panel?
Hi - the front panel shows 14-15 minutes and 100% charged. There are other things on the circuit which is why the run time is fairly low but it will be enough.
Oh, and the test was over a week ago and it is still showing amber.
I am thinking the NAS has a fixed threshold, and that the cyberpower run-time is below it. I think you'll have to ignore it.
Personally I don't think I'd trust a run time that short (if the UPS is highly loaded, the battery drain becomes non-linear - making the actual run time hard to predict). Cyberpower has a chart that shows this here: https://www.cyberpowersystems.com/tools/runtimes/ Notice that the scale for runtime is logarithmic.
I had a similar issue with OS4.2.x on a Pro6 -- the UPS warning got "stuck" even though the UPS had recovered. The only way I solved it was to boot the unit without the UPS attached, verify the NAS was not still seeing the UPS, and then re-attach the UPS.
While it was with OS6, not 4, I also found that if you have set up the NAS to be the master for other units sharing the UPS, the NAS will not uninstall it even if it's not connected. I think that's a NUT issue, so may occur on older OS's as well.
It gets worse. I tried what StephenB suggested and removed the USB cabel and rebooted. Then I plugged it back in and now it can't see the UPS at all. Tried rebooting again with it plugged in and no better.
The reason the run time seems low is that my computer is also attacted to the circuit but it is not usually switched on but inorder to access the FrontView then it has to be. The load (on the 1.3kWh UPS) is about 300W when the computer is on but only 30W with it off - NAS, switch, a Sonos and a Raspberry Pi. I'm more concerned about local circuit failures than whole house.
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