| This technique is not based in knowledge of the Braava 240 design and may result in your Braava 240 becoming permanently disabled. Proceed at your own risk. |
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| It ''appears'' that the magnets circled in red form the magnetic half of a pair of [link|https://en.wikipedia.org/wiki/Inductive_sensor|inductive sensors|new_window=true] that track the movements of the free floating platform as the front cover of the Braava contacts walls or other impediments. The magnets translate just below the underside of the motherboard case. I suspect that buried at the base of the motherboard are induction coils that sense the movement of the magnets. |
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| One thing we know about inductive sensors is that the effectiveness of a sensor goes down as the magnet gets further away from the detector coil. |
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| Before removing the motherboard case, test the offset between the magnet and your induction coils by sliding pieces of paper of varying thicknesses between the top of the magnet and the underside of the motherboard case. |
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| In my Brava 240, one of the offsets was decidedly larger than the other. |
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| The idea here is to reduce the offset and improve the sensor performance by raising up the magnet with the larger gap. |
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| In my Brava, I was lucky. The magnets appear to be fastened by some stretchable substance. Because of this, I could slide a thin-bladed flat head screwdriver down the sides of the magnet and pry the magnet upward until it was just proud of its rectangular plastic enclosure. |
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| I reassembled my Brava 240 and proceeded to clean my kitchen floor. |
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| If you have other ways to raise the magnets within their enclosures, please note them in the comments. It's not clear to me how long the magnet will stay in its elevated position. |