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

Question

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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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