[RE-wrenches] Magnum problem

[James Jarvis]

Are you referring to the MagWeb when you speak of the "remote monitor"? If
so, then no, it isn't interfering. It is a completely passive device on the
Magnum network and listens only.

-James Jefferson Jarvis
APRS World, LLC
+1-507-454-2727
http://www.aprsworld.com/


On Tue, Oct 31, 2023 at 11:39 AM Ron Young via RE-wrenches <
re-wrenches at 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
>
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