They weren’t able to determine a cause before I returned the unit and I haven’t heard anything regarding the issue although I was promptly refunded.
the defective unit was doing exactly what yours is doing. On, flash 6p, full screen light up and then shut down.
I bought a replacement thinking...
Same setup with same issue. After sending photos, speaking with Signature Solar support, and a couple emails back and forth, I ended up buying another unit and returning the failed unit. Received the second unit and was credited for the defective unit within a week or so. New unit up and running...