If there is a clicking sound when you rotate the side brushes manually (with the side brushes on). It indicates that the noise is from the side brush motor. Replacing the side brush motor could fix the issue. 
 

You can refer to the video about<a href="https://support.eufylife.com/s/article/How-to-Replace-the-Side-Brush-Motor-of-RoboVac" style="text-decoration: none;" target="_blank"> how to replace the side brush motor</a> to replace the side brush motor. 
 

You can order the side brush motor from<a href="https://us.eufylife.com/collections/accessory/products/t2108111-90" style="text-decoration: none;" target="_blank"> here</a>.
 

If you need further assistance, please<a href="https://support.eufylife.com/s/emailcontactus" style="text-decoration: none;" target="_blank"> email eufy support</a>.

What if my RoboVac has a clicking noise in the side brush?

Ankersolix US

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