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Sunsynk F26 Fault

MrVolt
in Inverters

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Hi All, 

Last night after (20:00) when power was restored from loadshedding my main earth leakage tripped and the 8kW Sunsynk showed a F26 (Bus Unbalance) fault. The load side of the inverter switched off and after 1min (more or less) restored itself. Since last night we had loadshedding again this morning with no faults. 

I have a Earth Neutral bonding contactor installed with the signal island mode output from the sunsynk. 

Any ideas, should I be worried?

Thanks

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    • 2 months later...

    I also have a sunsynk inverter with a F26 error code. what do I do until the morning? It is the middle of the night here.

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