EG4 Community Forum

Anonymous
Joined: April 10, 2026 4:47 pm
Topics: 6 / Replies: 19
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RE: 18KPV Internal Temperature Too High?

Solar Assistant sometimes provides inaccurate information. If you don't have any warning or errors on the inverter, this shouldn't be an issue.

1 year ago
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RE: EG4 18kpv not fully charging Lead acid Batteries

Do you have a BMS for the batteries?You will need a BMS if one is not already in place, as it manages and regulates the battery’s charging and dischar...

1 year ago
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RE: Running EG4 batteries with a float charge

While it may be possible, it is not recommended since this configuration has not been tested, and the EG4 batteries were not designed to work with tha...

1 year ago
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RE: Lifepower4 Communication Hub Dip Switch Settings

Both R1 and R2 should be down. If you are having trouble getting the communication hub to work, please let me know.

1 year ago
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RE: Solar Heat pump no longer working correctly following Network changes. Sig Solar and E

@wraytex Currently, there isn't a solution for this, but I will report it to our team and look into possible options.

1 year ago
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Replies: 0
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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...

1 year 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.

1 year 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...

1 year 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 ...

1 year 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...

1 year 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...

1 year 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.

1 year 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...

1 year ago
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Replies: 7
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