question

vedran avatar image
vedran asked

Fronius, Multi & generator

Hi,

I have off grid, AC coupled system with Multiplus 3000 and Fronius Primo 3.0, 24 V battery and generator.

Generator is switched on manually. Problem is when I turn on generator, after half minute on Fronius is error code "105 AC freq too high" and fronius going to reset.

After reset again coming new reset..

Does anyone have an idea what the reason is?


Also, I am afraid about returning power from PV to generator in case of sun coming.

My idea for solve problem is install AC/DC 230/24 V charger directly from generator to charge battery in case of empty battery (few times per year)

What is your opinion?

Fronius
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1 Answer
Alexandra avatar image
Alexandra answered ·

@Vedran

What assistant are you using to run the fronius? PV assistant or ESS?

And what is your generator voltage and frequency coming in? The GX will tell you .

Also is there a grid code set up on the Fronius?

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