If the AFCI self-test is successful, the inverter will switch into the “nominal” mode and the green
LED is permanently lit.
If the AFCI self-test is failed, the following message appears on the display: “Error 425”, please
restart the system, repeat step1 to step3.If the AFCI self-test continues to fail,cut off all power
supply connection of the inverter,and contact Growatt to solve this problem.
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