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Sunsynk Fault Codes

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W31 battery comm warn

Experiencing a w31 battery comm warning.. anybody that can help with this?


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hfhelectrical68
Jun 25, 2023

HF Henning

I got 2x 12kw sunsynk in parralel,connected to 8x3000 pylontech batteries.from the bms input on the master inverter connected to the can input of the batteries ,also checked all cables and put new cables in ,same fault W31

can someone help .

regards

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