<br><font size=2 face="sans-serif">Hi Eric,</font>
<br><font size=2 face="sans-serif">Sounds like a bad control board. </font>
<br><font size=2 face="sans-serif">Swap the inverter and you should be
back in business.</font>
<br>
<br><font size=2 face="sans-serif">Rgds,</font>
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Eric Bentsen</b> | </font><font size=1 color=#008000 face="Arial"><b>
Schneider Electric </b></font><font size=1 face="Arial"><b> | Solar
Business</b> | <b>UNITED STATES</b> | <b>Technical
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<table width=100%>
<tr valign=top>
<td><font size=1 color=#5f5f5f face="sans-serif">From:</font>
<td><font size=1 face="sans-serif">"SunHarvest" <eric@harvesthesun.com></font>
<tr valign=top>
<td><font size=1 color=#5f5f5f face="sans-serif">To:</font>
<td><font size=1 face="sans-serif">"RE-wrenches" <re-wrenches@lists.re-wrenches.org></font>
<tr valign=top>
<td><font size=1 color=#5f5f5f face="sans-serif">Date:</font>
<td><font size=1 face="sans-serif">10/17/2013 11:28 AM</font>
<tr valign=top>
<td><font size=1 color=#5f5f5f face="sans-serif">Subject:</font>
<td><font size=1 face="sans-serif">[RE-wrenches] Trace 2548 intermittent
power problem...55 not 25</font>
<tr valign=top>
<td><font size=1 color=#5f5f5f face="sans-serif">Sent by:</font>
<td><font size=1 face="sans-serif">re-wrenches-bounces@lists.re-wrenches.org</font></table>
<br>
<hr noshade>
<br>
<br>
<br><font size=2 face="Arial">I was looking at a scratch pad note where
I wrote 25 instead of 55...Yes, it is a SW5548. Definitely not set to "Search"...it's
in "On" mode. I've checked error codes. No "Yes" messages.
I am wondering about a firmware upgrade although I have serious doubt that
will clear up the problem.</font>
<br><font size=3> </font>
<br><font size=2 face="Arial">I guess I will try the swap and see if that
does the trick.</font>
<br><font size=3> </font>
<br><font size=2 face="Arial">On the genny, I try to stay away from genset
service but I can definitely check some of the more simple items like check
oil & coolant.</font>
<br><font size=3> </font>
<br><font size=2 face="Arial">Thanks guys.</font>
<br><font size=3> </font>
<br><font size=3> ----- Original Message ----- </font>
<br><font size=3><b>From:</b> </font><a href=mailto:allan@positiveenergysolar.com><font size=3 color=blue><u>Allan
Sindelar</u></font></a><font size=3> </font>
<br><font size=3><b>To:</b> </font><a href="mailto:re-wrenches@lists.re-wrenches.org"><font size=3 color=blue><u>RE-wrenches</u></font></a><font size=3>
</font>
<br><font size=3><b>Sent:</b> Thursday, October 17, 2013 10:36 AM</font>
<br><font size=3><b>Subject:</b> Re: [RE-wrenches] Trace 2548 intermittent
power problem</font>
<br>
<br><font size=3>Eric,<br>
A Trace 2548 with automatic generator start? I don't believe there ever
was such a thing. I suspect that you're referring to either a SW4048 or
SW5548. If so, your first step is to check the error codes, some of which
are found in Menu Heading 2 (for generator-related issues) and the rest
in Heading 5. Any "Yes" message as you scroll through them is
a good hint. <br>
<br>
This inverter is at least 13 years in service, likely more. Sounds like
a pre-GTI Y2K system. The units are remarkably robust and reliable, but
it may well have a glitch in the firmware or voltage/frequency sensors.
The extra inverter is your ace in the hole, once you determine what the
issue is.<br>
Allan<br>
</font>
<p><font size=3><b>Allan Sindelar</b></font><font size=2 color=blue><u><br>
</u></font><a href=mailto:Allan@positiveenergysolar.com><font size=2 color=#0000a1><u>Allan@positiveenergysolar.com</u></font></a><font size=2><br>
NABCEP Certified PV Installation Professional<br>
NABCEP Certified Technical Sales Professional<br>
New Mexico EE98J Journeyman Electrician<br>
Founder, <b>Positive Energy, Inc.</b></font>
<p><font size=2>A Certified B Corporation</font><font size=1><sup>TM</sup></font><font size=2><br>
3209 Richards Lane<br>
Santa Fe, New Mexico 87507<b><br>
505 424-1112 office 780-2738 cell</b></font><font size=2 color=blue><u><br>
</u></font><a href=http://www.positiveenergysolar.com/ target=_blank><font size=2 color=blue><u>www.positiveenergysolar.com</u></font></a>
<p><font size=3> </font>
<p><font size=3>On 10/17/2013 10:41 AM, SunHarvest wrote:</font>
<br><font size=3> </font>
<br><font size=2 face="Arial">I have encountered a Trace 2548 in seemingly
good working condition. I was called out to troubleshoot a Grid-tied, battery
back-up system with the following problem:</font>
<br><font size=3> </font>
<br><font size=2 face="Arial">- Upon loss of grid power there is about
a 5 second lapse (no power to house) before the BB system engages. Power
to the critical loads panel from the Trace is restored after the 5 second
lapse.</font>
<br><font size=2 face="Arial">- After another 5 seconds the Trace will
disconnect power to the loads. This on-off cycle continues until grid power
is restored.</font>
<br><font size=3> </font>
<br><font size=2 face="Arial">After checking voltage & S.G. values,
I determined that the 11 year old batteries needed to be replaced and I
assumed this was the cause of the Trace on-off cycling.</font>
<br><font size=2 face="Arial">I also found that half of his PV array had
bad BP modules. BP replaced all of the modules under somewhat of a warranty.
So, new modules, new batteries, and a new Outback FM60 charge controller.
After all upgrades I ran through a simulated power outage again and the
intermittent power problem persists!</font>
<br><font size=3> </font>
<br><font size=2 face="Arial">He also has gen support enabled - connection
to an Onan "RV Genset BGE NHE (??) - and when I start the genny from
the inverter, by selecting "On" not "Auto", the genset
fires right up but only stays on for about 30 seconds before it too shuts
off and enters a cycling between auto-starting from the inverter and shutting
down.</font>
<br><font size=3> </font>
<br><font size=2 face="Arial">This behavior is beyond me. So, I'm seeking
help from the pros. Anyone know what's going on here? The customer has
another Trace 2548, unused, sitting in a box. So, if I needed to I could
swap out the inverter and see if that makes a difference...?</font>
<br><font size=3> </font>
<br><font size=2 face="Arial">Eric</font>
<br><font size=2 face="Arial">SunHarvest</font>
<br><font size=2 face="Arial">(530)798-3738</font>
<br><font size=3><br>
</font>
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