Scenario Explanations:
The user receives alerts related to foreign objects entangled in the roller brush.
Annotation:
1、Invite the user to match the machine with the network, and upload the machine use log in APP so that the technical team can analyze it;
2、Query the big data to confirm whether there is any relevant foreign matter winding alarm;
3、Send the user a video of checking the blocked rotation, invite the user to remove the dust box, disassemble the roller brush, check whether there is any foreign matter entangled and try to clean it; manually dial the blade to confirm whether there is any unsmooth sense of stagnation, and if the rotation is not smooth, need to contact the technical support team;
4、Invite the user to provide photos of the roller brush and send them to the technical team for confirmation.
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