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I was very surprised to receive a "Battery Discharged" notification earlier today from one of our older Smart-UPS 1500 units.
It has been working perfectly and had a couple of changes of batter. The last in March 2020.
Everything was fine until that unexpected notification. When I checked in PowerChute it said the batter charge was 5%! Yet how can this be when I received no other notifications. I know notifications about going on off batter are working fine, as are notifications such as "AVR Trim Actrive/No Longer Active". So why this sudden "battery discharged" without any warning?
First thoughts would be sudden overload. Yet the data log makes this even more mysterious.
This is the event log:
Absolutely NOTHING going on before the batter suddenly drops from 100% to (as shown) 7% !!?!?!?
Anyone any ideas or thoughts as to what the hell is going on?
George
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It is really strange.
I've looked back through the data logs and the load occasionally going up to 19.5% is not that unusual. Never has it done that. Here is one from earlier in the same day, so I'm assuming it's just naturally variation in load due to stuff like hard drive access - it powers a server with a RAID 5 array of 15K drives and a QNAP 4 drive NAS box.
I'm just wondering if it is some strange transient battery fault.
I've a much newer APC SmarUPS which I'll swap over next time I'm on site - just in case. I might try and run a battery calibration test tomorrow. However, due to COVID we have staff on site at all sorts of odd times currently to maintain social distancing and keep projects going in our labs. So little opportunity for scheduled down time.
Thanks for your comments.
Link copied. Please paste this link to share this article on your social media post.
It is really strange.
I've looked back through the data logs and the load occasionally going up to 19.5% is not that unusual. Never has it done that. Here is one from earlier in the same day, so I'm assuming it's just naturally variation in load due to stuff like hard drive access - it powers a server with a RAID 5 array of 15K drives and a QNAP 4 drive NAS box.
I'm just wondering if it is some strange transient battery fault.
I've a much newer APC SmarUPS which I'll swap over next time I'm on site - just in case. I might try and run a battery calibration test tomorrow. However, due to COVID we have staff on site at all sorts of odd times currently to maintain social distancing and keep projects going in our labs. So little opportunity for scheduled down time.
Thanks for your comments.
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