[Nut-upsuser] Low Battery Problems

Charles Lepple clepple at gmail.com
Mon Jun 22 13:19:15 BST 2020

> On Jun 18, 2020, at 12:39 PM, Mike Dillinger wrote:
> ups.test.result: No test initiated

I’d recommend a battery test. Starting the test via the front panel should be sufficient, or you might be able to do it with upscmd.

This should let the UPS firmware discharge the battery a bit, and see how long it should last.

Conceptually, “OL LB” is not inconsistent- it means the UPS has AC power, but the battery state of charge is reading low (as might happen after the UPS restarts after an extended power failure) . You might have a CPS unit where the battery voltage returned to NUT is hard-coded to 24.0 V, which is annoying, but should not affect internal decisions about shutdown. Example: https://networkupstools.org/ddl/Cyber_Power_Systems/CP1500PFCLCD.html and https://github.com/networkupstools/nut/issues/459#issuecomment-325163688
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