EG4 Community Forum

Anonymous
Joined: April 8, 2026 7:17 pm
Topics: 6 / Replies: 19
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RE: 18kPV CTs not detecting Consumption

@drewc Yes, that’s correct! You need to connect the cables to the Grid port in order for the inverter to start reporting data. I’m glad you were able ...

6 months ago
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RE: LCD display remains blank.

Please attach close up pictures of your wiring terminations.

6 months ago
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RE: Will the grid pass through the inverter if the inverter fails

I need to know if I need to create a Inverter bypass from my AC panel to grid input in case the inverter fails in any way to supply power to the AC pa...

6 months ago
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RE: 18KPV AC Couple mode stopped working after adding GridBoss

We apologize that we were unable to make changes to the firmware at this time. Updating the firmware involves a formal process, which requires careful...

6 months ago
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RE: Charging using SOC parameters

Ensure that the cables are properly connected between the inverter and Gridboss, and verify that the DIP switches are set to the 'up' position on both...

6 months ago
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RE: Flexboss21 - exceeding the MPPT current of 26A with paralleled strings

You should be fine regarding the amperage. You’re correct, as long as you don’t exceed 31A on MPPT 1 and 2, it will not cause issues. The amperage can...

6 months ago
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6 months ago
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RE: 18KPV AC Couple mode stopped working after adding GridBoss

So I see that there was an firmware update for the FlexBoss/18KPV/12KPV, which bumped it from EG4_FAAB-2122 to EG4_FAAB-2525. I installed this hoping ...

6 months ago
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RE: Charging using SOC parameters

@eg4eric I’ve been doing a lot of troubleshooting to try to determine the problem of not being able to charge the batteries or use the batteries to...

6 months ago
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RE: EG4 wifi dongle unable to connect

Hello from Canada, same problem here, dongle does not connect to the cloud. Any help possible ?

6 months ago
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