UPDATE: solution found. The device was simply in recovery mode / default state. With battery + CCGX + USB cable connected the VictronConnect app was able to see it and prompt for a firmware update. Leaving this here for posterity.
I was just setting up a new system based on:
75/15
RasPi based CCGX
LiFePO4 24v
All was working quite well for a few days. This morning I decided to do a systems check and notice that the CCGX reported firmware 1.39 > 1.4x update was available for the SmartSolar 75/15.
Setup:
I accessed the CCGX via online web portal (probably Edge). https://vrm.victronenergy.com/installation/42320/firmware-update
After selecting device and moving to update the status got to 30%.
Device seemed to reboot and never came back. At this point no matter what I do, Yellow/Orange lights rapid flash. From the community here the report is that is related to over voltage. I've tried multiple different battery configs (life/lipo) with equal results.
Would appreciate some help
thanks in advance
-C