Have you checked those little pop out breakers up near the wiring compartment?
Have you tried "force bulk"? On Tue, Oct 31, 2023, 10:56 AM Dan Fink via RE-wrenches < re-wrenches@lists.re-wrenches.org> wrote: > I have had issues before with Magnum inverter/chargers not accepting AC > input from certain generators. In one case, it would not charge from a > Honda 3kw cube, but worked fine with camp’s Honda 2kw. Magnum said it was a > Honda problem, Honda said it was a Magnum problem. We ended up just > rearranging generators and inverters between camps. Weird, we never > detected anything odd in voltage or frequency from any of the generators. > > Dan Fink > Owner, Buckville Energy Consulting LLC > IREC Certified Instructor for PV and Small Wind Installation > NABCEP Certified PV System Inspector > NABCEP PV Associate > danbo...@gmail.com > 970-672-4342 > > > > > On Tue, Oct 31, 2023 at 11:39 AM Ron Young via RE-wrenches < > re-wrenches@lists.re-wrenches.org> wrote: > >> Hello Wrenches, >> >> I am completely stumped. I built a Magnum 4448 panel for a client and it >> was installed by an electrician. It was thoroughly tested before going out >> the door on all functions and pre-programmed for the off-grid site. >> Electrician just had to hang it on the wall and make 4 connections, AC IN, >> AC OUT, BATTERY, PV. Somehow the system wouldn’t go into charge mode. The >> site is a 3 hour trip each way. The electrician was baffled, he had >> experience installing solar but very limited so I went to the site to see >> what the problem was. After spending a day checking out the inverter with >> two different generators, checking all the connections, AC at the inputs at >> the inverter and at the outputs on the breakers, and even removed the cover >> from the inverter to make sure some connections had not shaken loose inside >> the box on the long bumpy road into the property. Everything checked out. >> So assuming the AC board in the inverter was faulty I ordered a new unit to >> replace and that has now been done. SAME PROBLEM! I’m wondering now if it’s >> possible that the Magnum remote monitor could be the problem. It functions >> properly on every setting but is it possible there is an internal fault? >> Could it prevent the automatic charge cycle from initiating? Seems unlikely >> to me because the inverter can go into charge mode even without the >> monitor. I also tried replacing the connection cable between the monitor >> and inverter but no luck. >> >> The generators are both small, one a Honda 2kW and the other a Champion >> 3.8kW. Neither is ideal but I have had no issues with these types of >> generators in the past and the client has ordered a larger 10kW unit but we >> don’t have it yet to test. Generators have been run with Eco Mode off. >> Output to the house on bypass is consistent and without problem. >> >> Any suggestions - this is just confounding. >> >> Ron >> >> >> earthRight Products - Solareagle.com >> >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> Pay optional member dues here: http://re-wrenches.org >> >> List Address: RE-wrenches@lists.re-wrenches.org >> >> Change listserver email address & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> There are two list archives for searching. When one doesn't work, try the >> other: >> https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >> >> List rules & etiquette: >> http://www.re-wrenches.org/etiquette.htm >> >> Check out or update participant bios: >> http://www.members.re-wrenches.org >> >> _______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > > List Address: RE-wrenches@lists.re-wrenches.org > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > There are two list archives for searching. When one doesn't work, try the > other: > https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > http://www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > http://www.members.re-wrenches.org > >
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