solar city inverter e050

E050 ARC FAULT

I got this on the neighbors solar city inverter. I CALLED TESLA, AND THEY CONFIRMED THE THIS IS THEIR UNIT, AND THAT IT WAS NOT FEEDING POWER TO the house or to THE GRID. With the owners, okay, I just go went ahead and hit the escape key.And the unit unlatched and did the test again.And this time it was okay, and appeared to go back into operation. With a ladder, I will check the cells, if the alarm comes back.

i believe these units are made by abb. A similar unit’s technical manual is here if you want to read on it regarding error codes.

https://library.e.abb.com/public/9ddffa465aa146bfa43bd0854abbcc81/TRIO-20.0-27.6-TL-US_Product_Manual.pdf?x-sign=bZY+m5OkAuRNgJzQObNZEfedw1KHd0tXJIoBZRy8OTH90IUbKk5fCBsU8QyaCszh

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same house.They have another set of solar panels by another provider. Vivint solar.

solarEdge electronics. It appears to me that vivint, the company monitors this through the communication hub that they install on the side of the house. This communication hub has a moxa computer. It appears to me. It communicates to the solar edge system via Ethernet and then probably connects through cellular or the Wi-Fi back to their system. Probably using a v p n is my guess. No two factor security that I see? Any tpm? I open the box and took a picture of the system.This is what it looks like. Uc-8112 moxa.

https://www.moxa.com/en/support/product-support/software-and-documentation/search?psid=53817

At a large solar installation, I see Canadian Solar and mesquite solar.

Good to see some US company making solar cells. Snip from the company ies site below.

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