EG4 Community Forum

JLankford
@jlankford
Estimable Member
Joined: November 7, 2024 2:39 pm
Last seen: October 28, 2025 11:40 am
Topics: 7 / Replies: 137
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RE: Will the grid pass through the inverter if the inverter fails

... if you are shopping for a transfer switch, spend the extra money and buy the GE model. The cheaper Amazon models you will find are not UL listed a...

1 day ago
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RE: Will the grid pass through the inverter if the inverter fails

No. My system is a whole-house backup configuration. Main disconnect and transfer switch are before the 18Kpv. Main dist panel is after the 18K. G-N b...

1 day ago
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RE: Will the grid pass through the inverter if the inverter fails

The 18Kpv does NOT pass through unless the inverter is running. The default state for the pass through relays is open, not closed. The inverter softwa...

4 days ago
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RE: Portable Generators (?)

@lyrawinslow Yes, of course. It's a small generator so it can't charge as fast. I limit it to 1600 watts in the Chargeverter settings - 80% of the ...

4 months ago
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RE: Portable Generators (?)

I use a small 2000W 120VAC portable generator for exactly the scenario you have in mind - I use it to charge the battery bank and nothing else. In my ...

5 months ago
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RE: 18kPV settings mysteriously change after "Start Quick Charge"?

@eg4eric Hi Eric, Can you explain this statement? Are you saying that for those of us that have a battery backup system (no PV), that there's a ...

5 months ago
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RE: Gridboss Smart Port overcurrent protection too sensitive

@zali I don't have a GB, so can't help you there.

8 months ago
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RE: Gridboss Smart Port overcurrent protection too sensitive

Read the thread. It sounds like the vendor has installed several test SW iterations into his system during the troubleshooting process, and the latest...

8 months ago
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RE: Gridboss Smart Port overcurrent protection too sensitive

Probably related to this issue. It sounds like there is a software fix, perhaps not released in an official build yet...

8 months ago
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RE: 18kPV with Victon Cerbo

I believe you already have a Victron smart shunt on your system connected to the Cerbo. With FLA batteries, that's already the best solution you have ...

8 months ago
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RE: Vbus Over Range, but No PV

@coolrunnings ...can't edit my previous post. I just saw your other post about the Cerbo... So without a BMS input, I'm curious how the 18K deter...

8 months ago
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RE: Vbus Over Range, but No PV

@coolrunnings Cool. I would trust everything you listed except the EG4 screen. My system, consisting of one 18Kpv and six LL-S rack units, can cons...

8 months ago
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RE: Problem with new Firmware update

@jwmarshall Are you saying that Signature Solar is replacing ten 18Kpv units because of a parallel phase error that only started after a firmware u...

8 months ago
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RE: Vbus Over Range, but No PV

@coolrunnings Thanks for sharing the solution here. Keep in mind the batteries won't register any current unless it is above some shunt measureme...

8 months ago
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