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Amy RamseySep 12, 2025
Why does my SMA SUNNY BOY 4000TL say 'DC overcurrent (Event 3801 ... 3802)'?
- AAnn HaynesSep 12, 2025
If your SMA Inverter indicates a 'DC overcurrent' (Event 3801 ... 3802), the inverter switches off due to an overcurrent on the DC side. If this event occurs frequently, check the design and the circuitry of the PV array.