EG4 Community Forum

Anonymous
Joined: October 16, 2025 6:53 am
Topics: 3 / Replies: 14
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RE: 18KPV LCD Watts Incorrect

I apologize for the delayed response. I am glad you were able to get the issue resolved. If you run into any other issues or need assistance with anyt...

7 months ago
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RE: GridBOSS/FlexBOSS not backing up when grid is down

Could you provide the station name or serial number? We can review the settings and try to determine what might be causing the issue.

7 months ago
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RE: Error codes in two of my four EG4 LifePower4 Lithium Battery | 48V 100AH | Server Rack Battery | UL1973, UL9540A

Ok. Contacted Signature Solar and waiting for response. The key issue is I’m overseas and no practical way to send these back. Need to get the replace...

7 months ago
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RE: 12Kpv Firmware Update issue

@ponobill Yes, that is the correct and latest firmware. To display accurate data on the screen, you’ll need to update the LCD firmware. I’ve attached ...

7 months ago
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RE: EG4 19kpv charges battery from PV, passes grid through, but no AC output

@george-redingerLooks like you have Battery Priority Start time set to 8:00am. This will cause for the inverter to use as much PV as possible or all t...

7 months ago
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RE: Error codes in two of my four EG4 LifePower4 Lithium Battery | 48V 100AH | Server Rack Battery | UL1973, UL9540A

@haitises The issue appears to be due to failed internal components that require replacement, which is not a repair that should be performed by an end...

7 months ago
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RE: Please add Smart port data monitoring to GridBoss

@fredericb Of Course! I will definitely share this idea with our team and put in a request to add this.

7 months ago
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RE: At the end of my first full day on 2nd wall mount battery; Some things don't look right on the desktop app.

Is everything working now? Your batteries appear full at 53V. I recommend switching the system to lead acid and setting the bulk/absorb charge to 56...

7 months ago
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Replies: 7
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RE: At the end of my first full day on 2nd wall mount battery; Some things don't look right on the desktop app.

Well That didn't go well. Initiated from where with auto-restart selected. Result: Inverter shut down and will not restart. Drove 60 miles t...

7 months ago
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RE: Please add Smart port data monitoring to GridBoss

Thanks Eric, I found it. Signature Solar had told me that the data was not available so I had stopped looking. It is very useful and for now I can use...

7 months ago
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RE: Another Generator question

@pawnee @eric When the generator is running and producing AC the inverter passes the AC through to power your loads and also converts the AC to DC to ...

7 months ago
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RE: SOLVED Vbus Overrange Issue!

Just a thought- If this fixed the problem, do you think you may have a bad cap or caps in your inverter? If this issue was caused by these common app...

7 months ago
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RE: Error codes in two of my four EG4 LifePower4 Lithium Battery | 48V 100AH | Server Rack Battery | UL1973, UL9540A

Any idea what the issue is? I only have one of the 4 working. Should I physically disconnect from the EG4 cabinet the defectives or leave with the bre...

7 months ago
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RE: 12Kpv Firmware Update issue

So a tech from Signature solar offered to update my firmware. It now shows the version as EAAB-2021. Is that the latest version? The power figures on ...

7 months ago
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