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Question [Solved] Solar panels no longer producing wattage after firmware update

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(@eschild)
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Joined: 4 days ago
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Parts of my system have been installed of over a year and half.  Due to the contractor quitting the solar business my system has never been running.  Not knowing anything, I'm trying to educate myself and finish things myself.  I just recently had my meter swapped and approved to run bidirectional from my power company.  I don't know what I have on my roof other than it is 21 solar panels.  I do know that I have an EG4 18kPV inverter installed in my garage.  I also have EG4 lifepower4 V1 batteries in a rack but no connections to the inverter.  When I turned on the switch on the side of the inverter to my surprise, after a while I was producing power from the solar panels.  So much so that it was showing enough to run my load and send back to the power company.  I had to install the wifi dongle myself and get it registered.  Then I decided to upgrade to the latest firmware which is now fAAB-2021.  I have no idea what it was originally but the equipment is from October of 2023 so I know it was older.  I did this at night when there was no solar power.  In the morning I noticed PV1 and PV2 still show about 280V but 0 watts.  I thought maybe there was an issue with the older lcd firmware so I updated it from 1/7 to 18/1/1.  I have not changed any setting but now I'm confused why there is no longer wattage on PV1 and PV2.  I looked in data history and today it only says PV Charge while yesterday it says PV Charge + Grid on in the status column but I have no idea what that means.  If anyone has an idea what to look into, it would be greatly appreciated.


   
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(@eschild)
New Member
Joined: 4 days ago
Posts: 2
Topic starter  

It turns out the original version of firmware would allow the PV to work even if I have a batt comm failure.  To resolve the issue, I used the advanced setting to say there was no battery and it is working now

This post was modified 3 days ago by eschild

   
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