Twice in the last 2 weeks the battery has discharged to 50% with accompanying audible alert but there is nothing in the power alert history and another unit next to it has not gone to battery.
The alert tone was still happening when the battery got to 100%.
When it finally got back to 100% I did a self-test. This passed but suddenly the battery was at 47%.
This is now regularly (every couple of days) sounding an alert tone with battery showing 100% and no events.
Anyone else seen anything like this?
Can you please provide the model and serial number of this UPS to help us troubleshoot this issue.
Has the battery in the UPS been replaced previously? If so, when was this replaced?
Model: Back-UPS XS 1400U Serial number: 3B1637X21134Firmware revision: 926.T2.ISoftware version: PowerChute Personal Edition 3.0.2Date of last manual self-test: NeverResult of last manual self-test: Not RecordedRAM: 5.99 GBFree disk space: 18078.21 GB
Despite what it says I did a self-test through the app and have now (took a few days to organise) done a full power off and restart.
The unit is only 2 1/2 years old so have not replaced the battery.
Unfortunately the app now says remaining battery charge unknown and battery is currently unknown. This is obviously not satisfactory and very worrying.
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