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Why are my fans running?

  • Updated

SPAN Panels uniquely have active cooling technology built into the Panel for improved performance during times of high power draw. When you are consuming >13 kW on a single Circuit, or >30 kW on all Circuits combined you will hear SPAN's internal fans activate. While running, the fans sound similar to the soft whirr of a refrigerator. You may also hear the fans cycle on for a few minutes after a software update and during a weekly self-test to ensure the fans are maintained over time.