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Time：2021-09-22Views：0
The cooling fan installed in the air purifier rotates and does not rotate. What's the matter? There are only two cases, namely, the quality of the fan itself, or the insufficient anti-shock ability
For example, if the power design is too large, the temperature will continue to rise for a long time, and finally it will burn. For example, the voltage of the purifier is a little higher than the rated voltage of the cooling fan, causing the cooling fan chip to burn. Normally , The operating voltage range of the cooling fan should ensure that there is no problem with fluctuations within +/-10% of the rated voltage
The most easily overlooked is the second type. The static voltage interferes with the cooling fan. It is very common for the static voltage in the air purifier to reach tens of thousands of volts. Just watch the fan rotate and stop. Again Turn on the power, move it, and it can't turn up. In this case, the chip of the cooling fan is basically destroyed.
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