It must not be actuallly be cleaning, only going through the motions.
Have you taken a syringe and attempted to draw fluid throughout the tubes that are connected to the top of the waste bottle? Try that. It will tellnu if the lines r clogged.
Have you taken a syringe and attempted to draw fluid throughout the tubes that are connected to the top of the waste bottle? Try that. It will tellnu if the lines r clogged.