Xiaomi Roborock 2 - Error 11, Strong Magnetic Field Detected

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Re: Xiaomi Roborock 2 - Error 11, Strong Magnetic Field Dete

Postby glnc222 » February 7th, 2018, 8:30 pm

These might save on buying large pieces of sheet metal. Just tape to the board, or maybe zip tie, glue.
2 in. Zinc-Plated Mending Plate (4-Pack) (also in brass finish)
https://www.homedepot.com/p/Everbilt-2-in-Zinc-Plated-Mending-Plate-4-Pack-15299/202033910

Put tape over side facing board for insulation.

Also consider a large flat washer, the kind with a small hole.

To identify the signal leads you must see which one is not affected by applying a magnet (or moving into the problem spot in the room).
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Re: Xiaomi Roborock 2 - Error 11, Strong Magnetic Field Dete

Postby Hayden » February 7th, 2018, 8:51 pm

glnc222 wrote:These might save on buying large pieces of sheet metal. Just tape to the board, or maybe zip tie, glue.


Good call, thanks! I'll give this a shot and report back.
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Re: Xiaomi Roborock 2 - Error 11, Strong Magnetic Field Dete

Postby Hayden » February 8th, 2018, 1:50 am

THANK YOU ALL!

Just tested with these plates mounted over the sensors and the bot was happy as a clam. Now I just have to find a way to fit them back into the enclosure... Or otherwise make it pretty.
Attachments
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Hayden
 
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Re: Xiaomi Roborock 2 - Error 11, Strong Magnetic Field Dete

Postby glnc222 » February 8th, 2018, 2:29 am

Could a ceiling fan in the floor below be causing the interference? Pretty heavy motors. Or maybe a ceiling mounted loudspeaker (some of which are shielded just for such effects, maybe not all; they have a large permanent magnet in which a coil moves the cone).
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