Yes, that's normal. It should get less, the more often you run your Roomba. But you should clean the axis from hair regulary, because too much hair wrapped around causes the axis to become very hot and the plastic core of the brush will melt due to increased friction
Yes, that's normal. It should get less, the more often you run your Roomba. But you should clean the axis from hair regulary, because too much hair wrapped around causes the axis to become very hot and the plastic core of the brush will melt due to increased friction