Make sure that the lid of the dust container is placed correctly.
If this doesn't help, follow the steps below to restore the suction power of the vacuum cleaner:
- Empty the dust bucket and make sure that the foam filter and the blue HEPA filter are clean; The foam filter and the blue HEPA filter are both located in the dust bucket;
- Make sure that the exhaust filter is clean;
- Make sure that the hose, the tube and the nozzle are not blocked by any object;
If the above solution(s) did not help to solve your problem, please contact the Philips Consumer Care Centre.