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Fixed! I added a 2kΩ potentiometer which has given me the adjustment I needed to stop the backfeed. I snipped one of the two wires from the back of the GX12 connector and added the potentiometer in-line.

I need exactly the same info. My 2kw Sun GTIL2 has been back feeding ever so slightly, likely due to me extending the sensor cable. I’m also keen to know if there’s a calibration potentiometer inside. Today I’m about to try adding an in-line potentiometer. Wish me luck!

The Voc of each panel is 37.9v Yes, I was planning to run 2S to one SCC and 2S3P to the other to deal with the shading issue. However, it sounds like you’re suggesting that the shaded 2S is fine as long as it’s put in parallel with any of my other pairs? If so, I’ll do as you’ve suggested to...

Hi all, I had the opportunity to get some brand new Trina solar panels for a great price, so it led me down the path of a solar setup for my home. I originally planned to not have a battery and use only a grid tied inverter with limiter (I have a smart meter and do not want to export to grid)...