EG4 Community Forum

Anonymous
Joined: September 11, 2025 7:10 pm
Topics: 2 / Replies: 14
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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...

6 months 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...

6 months 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...

6 months 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...

6 months ago
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Replies: 5
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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...

6 months 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 ...

6 months ago
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Replies: 1
Views: 335
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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...

6 months 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...

6 months ago
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Replies: 3
Views: 347
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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...

6 months ago
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RE: Ethernet adapter and 18kPV

@helidriver I did some reading on other forums, and it looks it might not be possible.

6 months ago
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RE: Brightmount no more?

Production has not stopped, but they are currently out of stock. I apologize for the inconvenience!

6 months ago
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