on ESS in 3F during discharging: one MP2 doesn't inverting but second and third inverting

Question

question

Peter asked Dec 15, '22

When ESS discharging from battery then L1 don't inverting, but L2 and L3 inverting. Any idea why? What can we check?

PV Inverter = 0W (snow)

Fireware: 497

PS. When there is no grid then all L1, L2 and L3 inverting from battery.

multiple inverters

1671131970900.png (169.2 KiB)

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Answer 1 · 2022-12-16T18:25:12Z

Peter answered · Dec 16, 2022 at 06:25 PM

Any idea what can I check or change to correct this?

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Answer 2 · 2022-12-18T20:31:56Z

Peter answered · Dec 18, 2022 at 08:31 PM

L1 is a master MP3 in 3F. Is this important?

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Answer 3 · 2022-12-19T17:39:19Z

Peter answered · Dec 19, 2022 at 05:39 PM

Solution: Switch off "Use Aux1 as disable FeedIn signal" in VeConfigure3 program in main Inverter

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