Both the miniBMS and the cell logs draw current from every cell continuously It’s only a few mA, but, given enough time it will take the whole battery to 0v, if not charged
Sent from Mail for Windows 10 From: Alan Arrison via EV Sent: Monday, 17 August 2020 7:57 AM To: [email protected] Cc: Alan Arrison Subject: Re: [EVDL] Battery Pack drained completely Ouch! Your whole ex$pensive pack destroyed? What did you do about the alarm that was sounding. I'm hoping that the pack isn't really dead and there is another problem like the 12V house battery went dead. Al On 8/16/2020 1:27 PM, Denis Boutet via EV wrote: > Hello everyone, > > RE: Ranger EV 2000, LiFePO4 pack 104x3.65V China HiPower, 104 Mini BMS > + head board, CellLog8 x 13 > > I need help figuring out what is wrong and how to proceed with this > problem. Any help, suggestion will be greatly appreciated. > > The pack seams to have been drained completely by the mini BMS system, > or another cause. In the fall, the head board alarm went off > permanently as I was winterizing my truck. This spring I found the > pack was dead. Find listed here the codes from the NGS: > > BAT_PV 0.00V > > BCM_OP 2 > > PREV_OS 7 > > CCNT 4 > > ENG_PO DISABL > > LOWVOLT 0 > > MAINSEN 2,5v > > SOC 49.99% > > WKDFBMF NO > > BTM_1FT - BTM_39FT YES (ALL) > > LEAK.... NO (99999 Ohm) > > Next step I beleive is to drop the pack and try and find the faulty > mini BMS. I guess I won't see any green lights, since the pack is dead. > > Many thanks for your interest > > Denis B > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20200816/280f8d0d/attachment.html> > _______________________________________________ > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > ARCHIVE: http://www.evdl.org/archive/index.html > INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org > Please discuss EV drag racing at NEDRA > (http://groups.yahoo.com/group/NEDRA) > _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub ARCHIVE: http://www.evdl.org/archive/index.html INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA) -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20200818/285f5650/attachment.html> _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub ARCHIVE: http://www.evdl.org/archive/index.html INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA)
