Pre-Motor Filter should be replaced every 2.5 years. The HEPA Filter should be replaced every 3 years.
How to clean brushroll
Using a coin, turn locks counterclockwise, then lift the door to access Brushroll.
Clean off any debris on the bristles.
If you run over a hard or sharp object or notice a noise change while vacuuming, check for blockages or objects caught behind the brushroll. Clear away any dust, dirt, or blockages in Debris Intake. To close the cover, push down until it clicks into place, then close the locks with a coin.
How to check for blockage
Detach hose from vacuum pod, and check hose and opening on back of pod for blockages.
Detach wand from floor nozzle and handle, and check both ends for blockages.
Detach wand from power unit, lay unit down, and check opening for blockages.
Detach handle from wand and hose from the vacuum pod, and check openings for blockages.
Detach dust cup from vacuum pod. Empty dust cup, remove debris from lint screen, and check for blockages.