[RE-wrenches] FX2000 / Trojan battery question

[William Miller]

Friends:

A "Low AC Volts" error is very typical for a cave in battery voltage under 
load.  I've reported in this forum before the propensity of Outback 
inverters to misreport error conditions.

4 L-16s is a very small battery bank.  I would not be at all surprised if 
this was indeed a battery or related wiring problem.

William Miller





At 05:18 PM 10/1/2009, you wrote:
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>Tom,
>
>The L-16's are 6v. So, they all had to be in series to operate at 24v 
>(FX2024 is a 24v inverter).
>Dave
>
>From: re-wrenches-bounces at lists.re-wrenches.org 
>[mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of The Office 
>of Tom Duffy
>Sent: Thursday, October 01, 2009 8:53 PM
>To: 'RE-wrenches'
>Subject: Re: [RE-wrenches] FX2000 / Trojan battery question
>
>Bob
>On the other note: Were the L-16s in series or series/parallel? Also were 
>the voltage readings and Hydrometer readings done on an active bank or "at 
>rest" and what were the readings?
>
>   Tom Duffy
>   Systems Design Engineer
>4ce320d.jpg
>
>      <mailto:tom at thesolar.biz>tom at thesolar.biz
>        575-539-2111 X 301
>
>----------
>From: re-wrenches-bounces at lists.re-wrenches.org 
>[mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of robert ellison
>Sent: Thursday, October 01, 2009 5:40 PM
>To: RE-wrenches
>Subject: [RE-wrenches] FX2000 / Trojan battery question
>
>Just visited a site with a 04 version FX2024 The inverter is shutting down 
>and showing "low AC output voltage"
>It is hooked to 4 Trojan L-16 G batteries. When i arrived the voltage was 
>23.8, the other day when i arrived it was 25.5 volts and shut down both 
>times with the same error showing. There are 1050 watts of panels and an 
>MX 60 on the battery bank also. In the past when the batteries went low it 
>would show a low battery error, so i don't expect that is the problem. 
>Loads are minimal
>Disconnecting the battery or starting the generator clears the error.
>
>When i called Outback i was told there was a $250.00 "out of warranty 
>charge" as well as a retail of $1400 for the boards. She also insists it 
>was probably a bad battery bank, or at least needing an eq charge. It just 
>had one 9 days ago. The hydrometer readings are all close and the voltages 
>similar.
>
>Anyone run into this before and have any knowledge on this error?
>
>On another note, has anyone had any Trojan L-16 G batteries with cell 
>failures? The date code is J8
>I have had 2 in the last year, one was under warranty and the last one out 
>of warranty.
>Anyone else had this problem or am i just unlucky?
>
>Thanks,
>Bob
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