I am losing comms between my 2 x 2.5kWh BYD B box units. Installation is 3 years old and the issue started in January this year. Tried the following without success:
1. Swopping CCGX
2. Rolling back firmware
3. Changing comms cabling
What did however seem to work was replacing the CCGX with a Venus. Venus was in for 2/3 weeks without any comms failure however client does not want a Venus.
Below is screenshots when we lose comms.
Any help would be appreciated.