Quattro Inverter in Passthru quite often running latest firmware

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Carlos Carvalho asked Mar 27, '22

Quattro Inverter in Passthru quite often running latest firmware

Hello, have two quattros installed together with two fronius AC one in AC in the other in AC out and throttled. Running ESS. Latest firmware updated.

Quite often the quattros go into passthru mode.

gx firmware

vrm portal id 64cfd9652130

Any ideas?

MultiPlus Quattro Inverter Charger ESS

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Modifications Space

Node Red Space

Answer 1 · 2022-03-28T05:42:29Z

Carlos Carvalho answered · Mar 28, 2022 at 05:42 AM

during the evening with no sun available the quattro inverters only went once into passthru mode.evening.png

The issue seems to be during day when the non managed fronius is in the AC in and the gx seems to not be able to read the grid as well.

It rather seems to be a bug than a feature to me.

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Answer 2 · 2022-03-28T07:23:51Z

Carlos Carvalho answered · Mar 28, 2022 at 07:23 AM

The Carlo Gavazzi ET112 seems to be with delayed readings. Any recommendations how to sort it? Replacing the ET112 for a new one? New cabling? Software issues?

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