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Phillip WangAug 29, 2025
How do I fix overheating (Event 6501 to 6502) on my SMA SUNNY BOY 3600TL?
- LLaura ThomasAug 29, 2025
If your SMA Inverter is showing a self-diagnosis overheating error (Event 6501 to 6502), the inverter interrupts feed-in operation due to interior overheating. Ensure sufficient ventilation and check heat dissipation.