EG4 Community Forum

Anonymous
Joined: November 7, 2025 1:19 am
Topics: 3 / Replies: 14
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RE: 6000XP no solar, used as backup generator only, AC Charge will not work

Hello Eric, thank you! I had a certified electrician install an am assuming it was properly wired. I took a pic of the inverter wires and the main pa...

9 months ago
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RE: Firmware for communicating with EG4 LL v1

Do you have Cat5e cable or higher with pins 7 & 8 only?Make sure the LL-S batteries are on top, meaning the LL-S battery is the master battery tha...

9 months ago
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RE: Important Update: LCD Version 18 Firmware

@zeppelin If you'd like, I can separate the inverters to give you the view you're requesting. They will no longer appear in parallel on the monitoring...

9 months ago
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RE: New EG4 - 3000 EHV - Battery Back Feeding Power to Solar Panels at Night

It’s probably due to residual energy. Have you tried turning it on or leaving it on to see if the energy drains out?Also, If the PV is connected, it w...

9 months ago
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RE: App Notice

@zeppelin Make sure that notifications for this app are enabled in your phone settings.

9 months ago
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RE: 6000XP no solar, used as backup generator only, AC Charge will not work

we apologize that you are having this issue with the inverter. Usually when this happens, it means there is a problem with the wiring. Do you have a w...

9 months ago
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RE: Flexboss Lite for AC coupled solar?

@diyrich please note there is an additional AC connection port no longer needed. Removing both the DC solar and AC port would undoubtedly lead to a si...

9 months ago
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RE: Gridboss not reporting and showing offline

@eric This is what it is set to. I only have one inverter.

9 months ago
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RE: 6000XP no solar, used as backup generator only, AC Charge will not work

@mylesj I am not certain about that charger. I would think that it would work. You won't have close loop communications, and I am not sure if you cou...

9 months ago
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RE: Flexboss Lite for AC coupled solar?

The only major component you do not need is the MPPT to control the PV to DC bus conversion. Not saving a huge amount by eliminating that component....

9 months ago
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RE: 6000XP no solar, used as backup generator only, AC Charge will not work

@jlankford Hello Joel. I know the EG4 chargeverter is the top suggestion for charging but will the BigBattery charger I have attached work as well?...

9 months ago
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RE: Gridboss not reporting and showing offline

@mboo42 @wvannus It should work following these instructions, but let me know if it doesn't. Enable the Grid Boss Enable. Confirm that the Grid ...

9 months ago
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RE: what can I expect by adding a second 18KPV to my current 18KPV?

What you describe is putting the 18kpv's in Series. The communications between 18kpv's doesn't work that way. They are designed to be Put in parallel:...

9 months ago
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RE: App Notice

@zeppelin I use the SOC notice, and it works great.

9 months ago
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