You could try going through the stacking sequence again to make sure they can synchronize properly. This is a good test of that output relay in each Radian. If there's a problem, you won't hear them, and they are noisy. Like the instructions state be sure the output breakers are open!
[cid:699e3bd7-2852-4ad0-830e-dc63c6fa2b82]Barton Churchill Director, Power Division 2042 Stadium Drive Suite 2 • Bozeman, MT 59715 • (O) 406-587-2917 • (D) 406-589-4493 235 E. Broadway • Jackson, WY 83001 • (O) 307-200-2210 bchurch...@energy-1.net<mailto:blans...@energy-1.net> | www.energy-1.net<http://www.energy-1.net/> ________________________________ From: RE-wrenches <re-wrenches-boun...@lists.re-wrenches.org> on behalf of Chris Worcester <ch...@solarwindworks.com> Sent: Friday, December 11, 2020 7:20 PM To: RE-wrenches <re-wrenches@lists.re-wrenches.org> Subject: Re: [RE-wrenches] Outback AC Backfeed Error Hi Jon, I have seen this early on, when the Mate3 first came out. The slave back fed the master. The Mate3 didn't accept our programming, a firmware update corrected this glitch. Chris Worcester ch...@solarwindworks.com 530-448-9692 Sent from my Samsung Galaxy s9. -------- Original message -------- From: Jon Siegenthaler <jon.siegentha...@gmail.com> Date: 12/11/20 6:01 PM (GMT-08:00) To: re-wrenches@lists.re-wrenches.org Subject: [RE-wrenches] Outback AC Backfeed Error Hey wrenches, I have a client who has a couple of the Radian 8048's and has an error code of "AC Backfeed Error GS-1". Looking at the manual it states that "Usually indicates another AC power source (out of phase with the inverter) was connected to the unit’s AC output. Can also occur if an out-of-phase AC source is connected to the inverter’s AC input." However when this happened the generator wasn't running and it's an off grid system. Is there a way that the master is looking to the slave as another power source? The system had been running fine this week, auto running the generator early morning and shutting down on its own. Anyone seen something like this before? Thanks, Jon Siegenthaler
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