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I am encountering an issue with a "Bus Voltage High" error on the 18k (offgrid) when I attempt to supply electricity to my Sol-Ark 15K (grid-tied) through my small breaker panel. The connection is being made to the Gen port on the 15K. Any assistance would be greatly appreciated, as Signature...

The eg4 is outputting electricity via the load in the breaker switch.

I am basically trying to use the 18k as a generator to the Solark. The breaker panel is going from the 18k to my loads. One of my loads from my 18k via a 40 amp breaker is going to the Solark. I turn off all other loads when I push out electricity just to be safe.

Yes. The solark is setup correctly according to video. The EG4 18K is the one giving me the error "Bus Voltage High"

I have no problem when the breaker from eg4 18k to solark is off

Took the multimeter and the GEN on the Solark was outputting 240v on it even though I had checked AC coupled input to Gen. Waiting to hear back from them

Yes that’s a good question. I have 2 EG4LL 48V in series batteries on the 15k. I also have an EG4 48V outdoor wallmount battery on the 18k. I discharged the batteries to 50% on the Solark thinking that could be it. That’s is why I'm thinking the 18K is the culprit here.

That makes sense

Gotcha

Yes I understand now

I have too much power in my off grid setup. I want to use it to help my grid tie system specially during time of use

Sorry about that. Too much power in my off grid system. I’m wasting sun ☀️

1) I've done this at night with same results, turned off the solar at the strings' disconnect. So 0 - 11.5k 2) Anywhere from 30% to 100% 3)250AMP 4) SA Solark? it is grid tied. Sorry not sure what this means. Very thankful for your help

Got it so I was under impression I can use my batteries as the middleman so if that’s the case I wanted to charge my batteries from the 18k in my Solark system with AC coupling.

Correct

Interesting, how do generators work if they are connected to any inverter then? Genuinely curious.

I was hoping to do that via the setup I’m trying. Could there be an issue due to the neutral / earth bond on the breaker switch?