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Laura OnealAug 26, 2025
Why is my SMA SUNNY TRIPOWER 12000TL-US Inverter's power output reduced (Derating occurred)?
- Aaaron79Aug 26, 2025
If your SMA Inverter has reduced its power output (derating occurred) for more than ten minutes, it is likely due to excessive temperature. Clean the cooling fins on the rear of the enclosure and the air ducts on the top using a soft brush. Also, clean the fans and ensure that the inverter has sufficient ventilation.
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