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Sounds like what you have run into is one of the bugs in the FNDC
that causes the SOC indication to suddenly change. It should change
to 100% when the charge conditions are met. It will also change to
100% in some circumstances when they are not met.<br>
Here is a link to a post that I put on the Outback forum in 2014
about this issue:<br>
<a moz-do-not-send="true"
href="https://forum.outbackpower.com/viewtopic.php?f=28&t=7448&hilit=Kent+Osterberg+FNDC">https://forum.outbackpower.com/viewtopic.php?f=28&t=7448&hilit=Kent+Osterberg+FNDC</a><br>
Folks are still complaining about this bug today. Just search for
"SOC jumps to 100%". I believe that FNDCs are shipped with the same
firmware now that they had then.<br>
The fix is to not use the SOC start/stop trigger. If your customer
insists on using SOC start/stop, you can reduce the likelihood that
the bug will terminate the generator run cycle early by starting the
generator at a lower SOC.<br>
<br>
Kent Osterberg<br>
Blue Mountain Solar
<p><br>
</p>
<div class="moz-cite-prefix">On 1/14/2022 12:42 PM, Tuss, Lones
wrote:<br>
</div>
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<p class="MsoNormal">Hello Howie<o:p></o:p></p>
<p class="MsoNormal">I believe the situation was this. <o:p></o:p></p>
<p class="MsoNormal">The gen would automatically start ..as it
should.<o:p></o:p></p>
<p class="MsoNormal">The inverter would accept the ac source\u2026 as
it should.<o:p></o:p></p>
<p class="MsoNormal">It would begin a charge sequence again \u2026as
it should. <o:p></o:p></p>
<p class="MsoNormal">But<o:p></o:p></p>
<p class="MsoNormal">The inverter would shut off the generator
within a very short amount of time.<o:p></o:p></p>
<p class="MsoNormal">Usually this is caused by a start condition
initiating a gen run.<o:p></o:p></p>
<p class="MsoNormal">But some other stop condition causing the
gen to be turned off.<o:p></o:p></p>
<p class="MsoNormal">With 3 different run stop conditions used
in the Mate3S it was just a matter of making thing a little
more simple. I disabled the SOC run/stop in the Mate3S AGS
just to see if that was the cause of the stop command.<o:p></o:p></p>
<p class="MsoNormal">Doing a 2 minute voltage start will cause
the gen to run until the absorb timer on the inverter has
zeroed out. Indeed it did. The Soc command was set to start at
80 or 82% (I forget which) and Stop at 90% as requested by the
customer.<o:p></o:p></p>
<p class="MsoNormal">Both Mac and I agreed this was a bit crazy
but it was what the customer wanted.
<o:p></o:p></p>
<p class="MsoNormal">By looking in the Optics Event logs the
shut down was attributed to the Stop SOC condition being met.<o:p></o:p></p>
<p class="MsoNormal">So eliminating SOC was a logical first
step.<o:p></o:p></p>
<p class="MsoNormal"> To me the only remaining question is I
did not see the SOC reach 90% but that is a pretty tight
window in which to operate. A more usual SOC start /stop
condition would be 60%to 90% with a 100% charge required every
so often (user selectable). I believe this system was set for
100% charge every 14 Days. <o:p></o:p></p>
<p class="MsoNormal">I hope this helps explain without adding
further confusion.<o:p></o:p></p>
<p class="MsoNormal">Take Care All <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<div style="border:none;border-top:solid #E1E1E1
1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b>From:</b> RE-wrenches
<a class="moz-txt-link-rfc2396E" href="mailto:re-wrenches-bounces@lists.re-wrenches.org"><re-wrenches-bounces@lists.re-wrenches.org></a>
<b>On Behalf Of </b>Howie Michaelson<br>
<b>Sent:</b> Thursday, January 13, 2022 2:42 PM<br>
<b>To:</b> RE-wrenches
<a class="moz-txt-link-rfc2396E" href="mailto:re-wrenches@lists.re-wrenches.org"><re-wrenches@lists.re-wrenches.org></a><br>
<b>Subject:</b> Re: [RE-wrenches] Radian Glitch<o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
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style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#212121">CAUTION:</span></b><span
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<p class="MsoNormal"><o:p> </o:p></p>
<div>
<div>
<div>
<p class="MsoNormal">Thanks for the update Lines. While it
seems from turning off the soc gen control, the
generator is running as it should, I don't understand
how that explains the charging behavior, or why the
inverter continued to ruin the generator without using
it's output.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal" style="margin-bottom:12.0pt">Howie<o:p></o:p></p>
<div>
<p class="MsoNormal">Howie Michaelson<br>
Sun Catcher<br>
NABCEP Certified Solar PV Installer\u2122<br>
Solar Electric & Heat Pumps Systems Sales &
Service<br>
802-272-0004<o:p></o:p></p>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<div>
<p class="MsoNormal">On Thu, Jan 13, 2022, 1:32 PM
Tuss, Lones <<a
href="mailto:lones.tuss@enersys.com"
moz-do-not-send="true"
class="moz-txt-link-freetext">lones.tuss@enersys.com</a>>
wrote:<o:p></o:p></p>
</div>
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<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Hello
Wrenches<o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">I
was able to contact Mac this morning. Luckily
this system was on optics so we were able to go
look at the start and stop conditions in the AGS
programming and the Event logs.<o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">The
event logs stated the stop was caused by an SOC
stop command.
<o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">In
AGS this system is using 3 start conditions<o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Voltage
start , Load start and Soc start<o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">At
the customer\u2019s request the Soc is set to start
at 82 % and stop at 90%<o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Which
seems a little crazy to both Mac and I<o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">But
to test if the Soc was indeed the cause of the
short run.<o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">We
disabled the SOC start/stop.
<o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">We
then started a bulk cycle to set the absorb
timer to the 2 hr time limit as programmed in
the inverter.<o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">We
raised the 2 minute timer above the current
battery voltage to initiate a gen run.<o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">The
gen did start and at this point the gen has run
for approximately 1.5 to 2 hours.<o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">So
it does appear that SOC stop was the cause of
the short run, as indicated in the event Log.<o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">What
neither or Mac or myself can explain is the
graph on the Dashboard does not show the Soc
above
<o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">80%
I am not certain if it is due to a momentary
spike that is too quick to record. At this point
that is just a guess (sorry). But that is the
situation.<o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">
I will say it was nice to have this on Optics
as we could go visit the site and do everything
from our respective homes.<o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Mac
thank you for returning my call and working
through this issue. <o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Take
Care All<o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<div>
<div style="border:none;border-top:solid #E1E1E1
1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b>From:</b>
RE-wrenches <<a
href="mailto:re-wrenches-bounces@lists.re-wrenches.org"
target="_blank" moz-do-not-send="true"
class="moz-txt-link-freetext">re-wrenches-bounces@lists.re-wrenches.org</a>>
<b>On Behalf Of </b>Mac Lewis<br>
<b>Sent:</b> Thursday, January 13, 2022 4:38
AM<br>
<b>To:</b> RE-wrenches <<a
href="mailto:re-wrenches@lists.re-wrenches.org"
target="_blank" moz-do-not-send="true"
class="moz-txt-link-freetext">re-wrenches@lists.re-wrenches.org</a>><br>
<b>Subject:</b> [RE-wrenches] Radian Glitch<o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p
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style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#212121">CAUTION:</span></b><span
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<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Good
Morning Wrenches,
<o:p></o:p></p>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">I
have an Outback Radian 8048 site that is
acting up. <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">This
only happens when the generator is
automatically started.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">It
will start the generator and warm it up
normally and then connect and start
charging as it should. After about 30
seconds to 1 minute it will drop the AC
input, and put the generator in cool down
mode and the charger will be disabled. It
will then continue to run the generator
until you turn it off manually, presumably
because it hasn't reached the stop
trigger. <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">This
system will charge normally when the
generator is manually started. The
firmware on the Mate3s is up to date.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Any
ideas?<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Thanks
in advance<br clear="all">
<o:p></o:p></p>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
</div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">--
<o:p></o:p></p>
<div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
</div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;margin-bottom:12.0pt">Mac
Lewis<o:p></o:p></p>
<p><span
style="font-size:12.0pt;font-family:"Times
New Roman",serif;color:#305A78">"Yo
solo sé que no sé nada." </span><b><span
style="font-size:12.0pt;font-family:"Times New
Roman",serif;color:#686868">-Sócrates</span></b><o:p></o:p></p>
</div>
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