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APC UPS Overload light blinking and constant alarm tone
Fresh7 days ago
Mar 15, 202648539 viewsConfidence Score0%
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Problem
I have a Back-UPS XS 900 on a standalone Debian server that seems to randomly start sounding a constant overload alarm, even with nothing plugged in. The alarm continues to sound until I manually turn the unit off. Additionally, nothing seems to be logged when the alarm starts to sound. Here is the…
Error Output
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Fix for: APC UPS Overload light blinking and constant alarm tone
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I had a MOSFET failure on my APC RS-1000 with the same observations as yours: Overload light and constant alarm even when nothing was wired on the outputs. They changed the board (rather the entire unit) and retained the batteries which were still f…
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