At least with the TL-22s, the AFCI function can be turned off. You need a_ Web connect speed wire module_. .I don't know if this same protocol will work for the TL 40s or not.
Metal roofing can apparently be affected by radio waves and by other factors that create a disturbance that can trigger the AFCI.The TL 40 was supposed to overcome this problem. ----- Original Message ----- From: "RE-wrenches" <re-wrenches@lists.re-wrenches.org> To:"RE-wrenches" <re-wrenches@lists.re-wrenches.org> Cc: Sent:Sun, 1 Sep 2019 07:42:14 -1000 Subject:[RE-wrenches] SMA phantom arc faults Aloha all, My company has really been struggling with the SMA US-40 line of inverters and incredibly disruptive to positive customer experiences bogus arc faults. We were told by our SMA friends that a firmware update/fix was forthcoming in mid-August and we’ve heard nor received nothing last month. Does anyone know anything as to where they’re at on this? Really frustrated.... marco
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