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Make sure you are in FLT mode and not SELL mode. Or
<div>Make sure grid is hooked up to AC 2 if only used for battery charging. </div>
<div>FLT mode should only offset grid usage but not sell excess. </div>
<div>Refer to the Manual </div>
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<div dir="ltr">Jeremy Rodriguez
<div>Solar Installation / Design</div>
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<div>All Solar, Inc.
<div>1453 M St. <br>
<div>Penrose Colorado 81240</div>
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<div>Sent from Jeremy's iPhone. </div>
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<blockquote type="cite">On Jan 12, 2026, at 12:47 PM, Dave Angelini Offgrid Solar via RE-wrenches <re-wrenches@lists.re-wrenches.org> wrote:<br>
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<div id="signature">Deselect grid sell or set sell amps to zero. A friend sent this. Good Luck! <br>
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<pre><strong><span style="font-size: small;">Dave Angelini Offgrid Solar
"we go where powerlines don't"
<a href="http://members.sti.net/offgridsolar/" rel="noopener"> </a><a style="color: blue; font-size: 11px; font-family: 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif; font-weight: 400; background-color: #ffffff;" href="https://offgridsolar1.com/" rel="noopener noreferrer"><span style="font-size: 12pt;">https://offgridsolar1.com/</span></a><a href="http://members.sti.net/offgridsolar/" rel="noopener"> </a>
e-mail <a href="mailto:offgridsolar@sti.net">offgridsolar@sti.net</a>
text 209 813 0060</span></strong></pre>
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<p id="reply-intro">On 2026-01-12 11:28 am, Dave Angelini Offgrid Solar wrote:</p>
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<p>Sounds like this could happen. The (really) old SW input had an option to do this. Disconnect this. Do you have the manual? I might but not nearby now. Good Luck</p>
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<pre> </pre>
<pre><strong><span style="font-size: small;">Dave Angelini Offgrid Solar
"we go where powerlines don't"
<a href="http://members.sti.net/offgridsolar/" target="_blank" rel="noopener noreferrer"> </a><a style="color: blue; font-size: 11px; font-family: 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif; font-weight: 400; background-color: #ffffff;" href="https://offgridsolar1.com/" target="_blank" rel="noopener noreferrer"><span style="font-size: 12pt;">https://offgridsolar1.com/</span></a><a href="http://members.sti.net/offgridsolar/" target="_blank" rel="noopener noreferrer"> </a>
e-mail <a href="mailto:offgridsolar@sti.net" rel="noreferrer">offgridsolar@sti.net</a>
text 209 813 0060</span></strong></pre>
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<p id="v1reply-intro">On 2026-01-10 1:12 pm, David Palumbo via RE-wrenches wrote:</p>
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Wrench,</div>
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An off-grid installation of mine from many years ago has is now using grid power instead of a generator. The utility is telling the homeowner that they are going to disconnect him because his house is back feeding 1 amp into their grid power.</div>
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I've been retired for many years now and did not do any of the work to connect the utility power to his Trace SW4024 inverter/charger. The utility power became available when his son brought in utility power for his maple sugaring operation in the neighborhood,
and the father connected power to his house to replace his fossil fueled generator for additional charging into his battery bank. They do not have a grid interconnect sellback agreement with the utility.</div>
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I have no experience with this, but I'm assuming that the utility grid is seeing power from its input connection to his Trace SW4024. Does that sound right? If so, is there a simple solution to fix this problem while continuing to use the grid power through
his SW inverter? </div>
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Thanks for any advice that may help.</div>
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David Palumbo</div>
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Hyde Park, VT</div>
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