Smart shunt not connecting to 3rd party display via nmea2k

Q&A and troubleshooting
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1

I have an electric powered boat with a vetus multifunction display, on start up the display does not show any battery info unless the cerbo is rebooted or battery redetected, vetus suggest a handshake issue between the cerbo and the MFD. smart shunt is fitted swell as the batteries own shunt from REC, same issue when either shunt is used as the data source for the MFD,

any suggestions ?

2

Please more Informations of your setup.

Witch gx device?

Firmware version ? On shunt and gx.

3

Cerbo GX 1st gen, victron smart shunt, all firmware is updated, the battery pack BMS also has its own shunt, REC, the problem exists which ever shunt is being used as the data source