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Dr. Jonathon AlvarezAug 7, 2025
Why does my Fronius Primo 7.6-1 208-240 Inverter show Class 1 Status Codes (102, 103, 105, 106, 107, 108, 112)?
- JJames WilliamsAug 7, 2025
Class 1 status codes on your Fronius Inverter typically indicate an issue with the grid. The inverter will automatically disconnect from the grid and monitor it for a set period. If the grid returns to normal within that period, the inverter will resume operation and begin feeding energy back into the grid.