EG4 Community Forum

Anonymous
Joined: August 15, 2025 6:52 pm
Topics: 2 / Replies: 14
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RE: 6000XP no solar, used as backup generator only, AC Charge will not work

Sorry for the late response! I try to answer as soon as possible! Yes, this makes sense, Since the inverter must convert AC to DC to charge the batter...

7 months ago
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RE: Gridboss not reporting and showing offline

Is the "Grid Boss Enable" option Enabled?This would be located in the settings on the top right under "Working Mode" and then under "Advanced settings...

7 months ago
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7 months ago
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RE: Gridboss not reporting and showing offline

Still trying to get resolution from Tier 2 support. After hooking up the parallel cables correctly and doing the sync, the gridboss is just showing th...

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

@joel-brodeur It was just a simple fix! Charge ahead!

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

Great news and now I feel stupid. I was going to ask about that, but I figured since you had been powering loads you had the EPS on. Would you mind...

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

@joel-brodeur @eric @jlankford Okay! Problem solved! The solution is a simple one. In order for the AC to charge the EPS switch needs to be ...

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

Okay! Problem solved! The solution is a simple one. In order for the AC to charge the EPS switch needs to be in the ON position with the load break...

7 months ago
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RE: FlexBOSS 21 ESS System and UL9540

I see the UL 9540 certificates of compliance have been posted and the site was updated on 1/29. Thank you!

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

@eric @joel-brodeur Thank you for the continued feedback! It is very helpful. I did sent a note to my electrician about adding the safeguard to...

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

@jlankford I agree that an interlock should be installed but for now it is manual switch of the breaker.

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

How is it straightened out? Did he already make a wiring change not noted here? He needs at minimum an interlock added as I described above. Preventin...

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

@eric @mylej @jlankford So, we have figured out the flickering lights and got that straightened out. The AC still does not charge the batterie...

7 months ago
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