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#1
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Don't Ignore Your UPS
It seems that I manage to get bitten at least once a year when there is a
power failure -- one UPS out of the five I have (I live at the 'end of the line' in an area with many huge trees and elderly infrastructure so power can be problematic) will surprise me by running out of power far sooner than it should. So, just as a gentle reminder, go and do a self-test on each of your UPS units to verify that the batteries are still viable. Replacement is usually pretty easy and not too expensive. |
#2
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Don't Ignore Your UPS
On 12/22/2015 7:16 AM, John McGaw wrote:
It seems that I manage to get bitten at least once a year when there is a power failure -- one UPS out of the five I have (I live at the 'end of the line' in an area with many huge trees and elderly infrastructure so power can be problematic) will surprise me by running out of power far sooner than it should. So, just as a gentle reminder, go and do a self-test on each of your UPS units to verify that the batteries are still viable. Replacement is usually pretty easy and not too expensive. Aren't the automatic UPS' self tests good enough? -- "The world flatters the elephant and tramples on the ant." --Indian Note: A fixed width font (Courier, Monospace, etc.) is required to see this signature correctly. /\___/\ Ant(Dude) @ http://antfarm.ma.cx (Personal Web Site) / /\ /\ \ Ant's Quality Foraged Links: http://aqfl.net | |o o| | \ _ / If crediting, then use Ant nickname and AQFL URL/link. ( ) Chop ANT from its address if e-mailing privately. Ant is currently not listening to any songs on this computer. |
#3
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Don't Ignore Your UPS
On 12/22/2015 4:38 PM, Ant wrote:
On 12/22/2015 7:16 AM, John McGaw wrote: It seems that I manage to get bitten at least once a year when there is a power failure -- one UPS out of the five I have (I live at the 'end of the line' in an area with many huge trees and elderly infrastructure so power can be problematic) will surprise me by running out of power far sooner than it should. So, just as a gentle reminder, go and do a self-test on each of your UPS units to verify that the batteries are still viable. Replacement is usually pretty easy and not too expensive. Aren't the automatic UPS' self tests good enough? Not for me. I want to see the self-test run so that I can tell how much that brief discharge knocks down the predicted runtime -- after a while it will get to the point where the self-test runs for a minute or whatever and there is too little time left meaning that it is ready for new batteries. Once they start failing they seem to go downhill pretty quickly. My main problem seems to be that I have four UPS units in places where I don't interact with them -- three are in the basement running a server and two number crunchers and the fourth is buried in my home theater. I don't ignore the UPS on my daily driver system nearly as much and usually catch it when something is going wonky. |
#4
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Don't Ignore Your UPS
John McGaw wrote:
It seems that I manage to get bitten at least once a year when there is a power failure -- one UPS out of the five I have (I live at the 'end of the line' in an area with many huge trees and elderly infrastructure so power can be problematic) will surprise me by running out of power far sooner than it should. So, just as a gentle reminder, go and do a self-test on each of your UPS units to verify that the batteries are still viable. Replacement is usually pretty easy and not too expensive. Mine beeps when the battery is weak. It does some kind of one second long load test once a day or so. And checks for voltage drop (increased battery impedance). It doesn't flip on the inverter when doing that either, it's a battery side test. What mine lacks though, is an LCD. It uses the piezo beeper, and it only beeps *once* on weak battery. It's almost impossible to figure out what in the house is beeping, when it happens, and it took me several weeks before I happened to be present and close enough to figure out who was doing the single "beep". Apparently when they designed mine, they couldn't afford any $0.10 LED indicators. Maybe someone has a patent on that :-) Paul |
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