This forum software is not as useful as it once was. Everyone who posts is labeled as Guest. So it's more difficult to tell who is responding. However, if you are signed in, it is possible to edit your post and display who it was edited by.
That being said, birdfeedr is located in the USA, east coast specifically.
The previous poster said the ECCs are the point of failure, but I'm not sure about that in my case. Background: I ordered a Home Pro kit in November 2020, received it and inspected it. Found the ECC had a disconnected daughterboard inside rattling around loosely. Requested a replacement and it was received. August 2021 rolls around and I finally got a Round Tuit so I could begin to install in a new location (I moved in July 2020, had other issues with higher priority). Did not work, verified panel setup by putting TED5000 in service successfully. When TED6000 starts up, ECC seems to display normal LED behavior except yellow or orange (not red) closest to the back, which Support says is failure to connect with MTU. Meanwhile MTU is blinking to display info sent, but nothing from ECC. However, the ECC is connected to the network and displays Footprints as expected. I broke open the case of the first ECC and connected the daughterboard. Both ECCs display the same bootup and LED status. This is what leads me to believe the MTU is at fault.
If someone has more experience with troubleshooting in this scenario, please chime in. My thinking is 1 part connected to 2 parts, and maybe the 2 parts are both defective, or the 1 part is. Just going on the percentages.
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The flip side is, if my assumption is correct and I find a working MTU to connect with an ECC, I will have a working spare ECC to help someone else out.
Email to birdfeedr at verizon.net and make a reasonable offer.