On Wed, Feb 15, 2012 at 5:47 PM, Charles Lepple <[email protected]> wrote: > On Feb 15, 2012, at 12:58 PM, Matt Schulte wrote: > >> On Tue, Feb 14, 2012 at 8:51 PM, Charles Lepple <[email protected]> wrote: >>> On Feb 14, 2012, at 12:56 PM, Matt Schulte wrote: >>> >>>> Why does it say "battery.test.status: Battery bad - replace?" >>> >>> Not to be too literal, but it comes from this block of code in >>> tripplite_usb.c, which may or may not be accurate for your specific model. >>> >>> if(tl_model == TRIPP_LITE_SMARTPRO || tl_model == >>> TRIPP_LITE_OMNIVS_2001 || tl_model == TRIPP_LITE_SMART_0004) { >>> switch(s_value[2]) { >>> case '0': >>> dstate_setinfo("battery.test.status", >>> "Battery OK"); >>> break; >>> case '1': >>> dstate_setinfo("battery.test.status", >>> "Battery bad - replace"); >>> break; >>> case '2': >>> status_set("CAL"); >>> break; >>> case '3': >>> status_set("OVER"); >>> dstate_setinfo("battery.test.status", >>> "Overcurrent?"); >>> break; >>> case '4': >>> /* The following message is confusing, and >>> may not be accurate: */ >>> /* dstate_setinfo("battery.test.status", >>> "Battery state unknown"); */ >>> break; >>> >>> Usually, after you first plug in the UPS, the status bit says "4", which >>> apparently means that the battery charger hasn't seen much of the slope of >>> the charge or discharge curve yet. (If the battery is just being topped >>> off, you can't really tell its capacity by the instantaneous current or >>> voltage.) >>> >>> After a deep discharge cycle, the charging circuit has seen both the rate >>> of discharge as well as the rate of charge, and it can guess as to whether >>> the battery is close to the end of its life. Lead-acid batteries are >>> usually good for 3-5 years. >>> >> Any idea why it would decide to throw the "bad" flag on a new battery? >> I recently (as in maybe two weeks ago) had to replace the battery in >> the UPS. > > > It's possible that the UPS needs to be recalibrated somehow - is there a > procedure in the manual? > > Unfortunately, we don't know the command necessary to initiate a deep > discharge test from the USB side, but maybe there is a front panel button > sequence. > > I don't think we've heard that this is necessary on Tripp Lite UPSes, but > some APC units apparently get confused if there is no ground connection while > discharging. (We'll need to replace all occurrences of "pull the plug" with > something like "turn off the power strip" or similar.) > FWIW: I made the bad battery message go away by running a "Self Test" by holding down the Mute button for two seconds while the unit is powered on and everything connected to it is running.
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