The roller brush is dirty.
Remove and clean the roller brush as follows:
Remove the dust box.
Place the robot vacuum cleaner upside down on a level, clean surface.
Remove the roller brush cover.
Remove the roller brush.
With a pair of scissors, cut any threads or hairs that have become entangled on the roller brush. To guide the scissors, move along the guide track in the roller.
Remove the threads and hairs with the comb end of the cleaning brush.
Refit the roller brush. Make sure you position it carefully.
Lock the cover, making sure it clicks into position. Make sure you position it carefully.
Reinsert the dust box into the robot vacuum cleaner.
To achieve the best possible cleaning results, replace the roller brush with a new one after 1 year.
If the fault persists, please contact us or book a repair appointment online.