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Sunsynk Fault Codes

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judd

Ac slavecontacter

F31 Ac_Slavecontacter


Anyone have this fault yet

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nevans
Jul 09, 2023

Installed a SUNSYNK-8K-SG04LP3 without issue. After commissioning, I am now getting the F31 error "AC_SLAVE_CONTACTOR_FAULT". This happens sporadically, sometimes 3-4 times a day. Sometimes it clears itself, other times I have to restart the inverter. Extremely annoying ...

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