Is it tripping the sensor or does it disrupt brushless motors? I think my fan actually stops when magnets are involved, judging by smoke patterns.
Either way, it flips the GF out.
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The magnet will disrupt the motor speed sensor since it likely uses a Hall Effect sensor. The strong magnetic field will overpower the winding fields that the Hall effect sensor reacts to and throw off the reading.
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Also affects the fan itself. Saw my fan come to a complete stop, twice, as it passed over a magnet.
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Probably, but the end result is the same. Also, it doesn’t explain the focusing behavior, so presumably something else going on.
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