EG4 Community Forum

Anonymous
Joined: April 10, 2026 8:55 am
Topics: 6 / Replies: 19
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RE: How does this make sense?...

Can you please provide more information about your system?How many batteries?Are you using any smart ports or AC couple?

1 year ago
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RE: Can EG4 provide feedback about flickering on the 18Kpv?

I'm glad you aren't having anymore issues! If you encounter any other issues, feel free to reach out to me!

1 year ago
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RE: GridBOSS/FlexBOSS not backing up when grid is down

@fizziocrat Just want to confirm, did you have the backup loads breaker on?@eabowdenDo you have power backup enabled on the inverter settings and also...

1 year ago
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RE: Can EG4 provide feedback about flickering on the 18Kpv?

I finally got around to installing the latest firmware (-2021) this weekend. So far I have not seen any significant LED flicker even when my mini-spl...

1 year ago
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RE: SOLVED Vbus Overrange Issue!

@jsaginaw I used an oscilloscope when 8 first started trying to solve this issue. The inverter outputs a sine wave, but I didn't study it very close t...

1 year ago
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RE: SOLVED Vbus Overrange Issue!

@CoolRunnings very neat find - I found this thread as I was wondering if anyone had added bus capacitance to the output of the 18K, but to solve a dif...

1 year ago
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Replies: 5
Views: 700
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RE: EG4 19kpv charges battery from PV, passes grid through, but no AC output

@eric Thanks, Here's a screen shot of EG4 18kpv behavior following my most recent settings (above ,Remote_Set_2025_03_21.pdf) One interesting b...

1 year ago
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RE: 6000XP Charging even though it's forbidden

I've been following a protocol spec from Pylontech (RS485 pylon version 3.2). Is this the spec that the 6000XP implements for Lithium Type: 2 ? OR is ...

1 year ago
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Replies: 1
Views: 825
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RE: 48V EG4 WallMount Indoor 280Ah battery with Sol-Ark 15K having F20 errors

@eric Some progress. The contractor pointed out to me that I have 4 strings, and the Sol-Ark 15K has 3 MPPTs. I am allowed to put a max of 2 strings...

1 year ago
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RE: GridBOSS/FlexBOSS not backing up when grid is down

Same problem this morning...grid went down and backup load power went out. Battery was charged (and charging) and both solar systems were producing po...

1 year ago
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Replies: 3
Views: 1067
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RE: SOLVED Vbus Overrange Issue!

@wardo5757 It happened on two separate inverters. Some people have mentioned it. One guy had a laser printer that did it. People on the Diy solar foru...

1 year ago
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