I just experienced a malfunction with my APC 950VA UPS, and I'm really confused about what happened. After being away for just five minutes, I came back to find both my PC and the UPS shut down. When I restarted the UPS, it emitted a continuous high-pitched beep until I unplugged it. Now, after turning it back on, everything seems to be functioning normally, but I'm really concerned since it's less than a year old. Can anyone shed light on what might have gone wrong?
5 Answers
While that beep can mean different things, it’s a sign that something is off. Temporary fixes won't solve the underlying issue. I recommend running a full self-test to see if it points to a specific problem.
Is your UPS capable of connecting to a computer via USB? If it is, try installing the software, likely PowerChute, to run a complete diagnostic. It'll give you good insights into the battery's condition if something's wrong.
Based on what you've described, it sounds like your UPS battery may be dead or wasn’t fully charged. It's also important to check if your PC is plugged into the correct outlets—"Battery+Surge" versus "Surge Only"—because that impacts how it handles power outages.
Check the LED indicators when you plug it back in; they can tell you what's going on. That high-pitched beep usually means a problem, and you should definitely refer to the manual for troubleshooting tips. But remember, don't open up the UPS! That could be dangerous.
It's possible you overloaded the UPS by plugging in too many devices on the battery side. That can definitely trigger alarms and shutdowns.
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