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B3 ESS Unit User Manual
6
Communication fault
The DIP setting of the master is
wrong/ the battery type of the
inverter is wrong/
Communication cable used
incorrectly/
The communication cable is
incorrectly connected at the
battery communication port or
the inverter communication
port/
The battery firmware version is
too low to support the inverter
Check these possible
cause one by one
If you need any technical help or have any question, please contact the dealer in time.