<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">I have heard this too. Eric from SE has been cced here and the first thing I was told to due was: Set inverter to bypass (someone needs to be on site, as the inverter will shut off during reboot) Check & update firmware, RESET ALL factory defaults and reenter your grid code. <div class=""> If you find this a bit confusing, Tech support IS QUITE supportive.<br class=""><div><blockquote type="cite" class=""><div class="">On Dec 5, 2022, at 11:52 AM, Eric Smiley via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" class="">re-wrenches@lists.re-wrenches.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">The inverter produces acceptable noise under no-load and at loads above 50 W or so.<div class="">The noise (humming/buzzing) increases drastically at low power. So, essentially it makes a lot of noise at night.</div><div class="">Has anyone else encountered this? We suspect it is the transformer vibrating - some kind of resonance with the inverter enclosure. But it's the first time we have encountered this.<br class=""><div class=""><div class=""><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr" class=""><div dir="ltr" class=""><div dir="ltr" class=""><div dir="ltr" class=""><div dir="ltr" class=""><span class=""><p style="padding:5px 0px;color:rgb(36,105,100);font-size:14px;font-family:soleil,Helvetica,Arial,sans-serif;line-height:1.4rem;letter-spacing:0.04rem;font-weight:lighter!important" class=""><img src="https://viridianenergy.ca/sites/all/themes/viridian/emails/signature-line.png" style="font-family: 'Times New Roman'; font-size: 18px; letter-spacing: normal;" class=""><br style="font-family: 'Times New Roman'; font-size: 18px; letter-spacing: normal;" class=""></p><p style="padding:5px 0px;color:rgb(36,105,100);font-size:14px;font-family:soleil,Helvetica,Arial,sans-serif;line-height:1.4rem;letter-spacing:0.04rem;font-weight:lighter!important" class=""><strong class=""><span style="font-size:1.2rem" class="">Eric Smiley,</span></strong> Project Manager<br class=""><a href="mailto:eric@vecoop.ca" style="color:rgb(255,255,255)" target="_blank" class=""><span style="color:rgb(0,168,133)" class="">eric@vecoop.ca</span></a><br class=""><a href="tel:+12507036004" style="color:rgb(255,255,255)" target="_blank" class=""><span style="color:rgb(36,105,100)" class="">T: 250.703.6004</span></a><br class=""><a href="tel:+18883860116" style="color:rgb(255,255,255)" target="_blank" class=""><span style="color:rgb(36,105,100)" class="">T: 888.386.0116</span></a><br class=""><strong class=""><a href="https://viridianenergy.ca/" style="color:rgb(255,255,255)" target="_blank" class=""><span style="color:rgb(0,168,133)" class="">VIRIDIANENERGY.CA</span></a><strong class=""></strong></strong></p><p style="padding:5px 0px;color:rgb(36,105,100);font-size:14px;font-family:soleil,Helvetica,Arial,sans-serif;line-height:1.4rem;letter-spacing:0.04rem;font-weight:lighter!important" class=""><strong style="font-family: 'Times New Roman'; font-size: 18px; letter-spacing: normal;" class=""><strong class=""><a href="https://viridianenergy.ca/" target="_blank" class=""><img src="https://viridianenergy.ca/sites/all/themes/viridian/emails/signature-footer.png" class=""></a></strong></strong><br class=""></p></span></div></div></div></div></div></div></div></div></div></div>
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<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Times; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; border-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-stroke-width: 0px;"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class=""><blockquote type="cite" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class=""><span class="Apple-style-span" style="border-collapse: separate; font-family: Times; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; border-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-stroke-width: 0px;"><span class="Apple-style-span" style="border-collapse: separate; font-family: Times; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; border-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-stroke-width: 0px;"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><span class="Apple-style-span" style="font-family: 'Times New Roman'; font-size: 12px;"><b class=""><a href="blocked::mailto:Tump@swnl.net%22%20%5Co%20%22blocked::mailto:Tump@swnl.net" class="">Tump</a><a href="mailto:3391@gmail.com" class="">3391@gmail.com</a></b> <a href="blocked::http://www.swnl.net/%22%20%5Co%20%22blocked::http://www.swnl.net/" class=""><b class="">www.SWNL.net</b></a></span><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; border-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-stroke-width: 0px;"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; border-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-stroke-width: 0px;"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class=""><div style="margin: 0px; font-style: normal; font-variant-caps: normal; font-weight: normal; font-size: 12px; line-height: normal; font-family: 'Times New Roman';" class=""> <span style="font-weight: normal; color: rgb(45, 44, 250);" class=""> </span><span style="font-style: normal; font-variant-caps: normal; font-weight: normal; font-size: 18px; line-height: normal; font-family: 'Times New Roman'; color: rgb(45, 44, 250);" class="">Solarwinds Northernlights</span> <b style="font-weight: normal;" class=""><i class=""> </i></b></div><div style="margin: 0px; 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