2 x 5kW Inverters connected in Parallel
5kW Sunsynk inverter in Parrallel mode with 2 inverters on same phase.
I have 2 sites with the same problem. The second inverter exports power to the grid although they are both set not to do so. The power exported is as high as 450W on the second inverter – this is a problem on systems supplied with prepaid meters. The only way to stop this from happening is to disconnect the slave inverter from grid supply
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Marius - I am glad you have solve the issue.
If you had sent me the System Mode settings as I suggested, I would have been able to see that this was your issue :-)