Investigate temperatures outside the ranges by checking fan speeds, airflow around device, and if necessary by contacting DataPower Support.

通过检查风扇速度、周边气流可以确定温度是否超出正常范围，如果必要，还要联系DataPower技术支持。

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Dust acting as a thermal insulator and impeding airflow, thereby reducing heat sink and fan performance.

除尘作为热绝缘层，阻碍气流，从而减少了散热片和风扇的性能。

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But Steady low fan speed change, so that airflow and vibration according to a fixed frequency, so we might as natural wind moderate.

但稳定低风扇速度变化，使气流和振动按固定频率，因此我们可能是自然风温和。

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