Don’t fret when your vacuum cleaner does not have enough suction. One common reason for this is you forgot to change the bag again. I have read that bags should be replaced whenever it’s about three-quarters full. Another thing that you need to check on is the canister. You need to empty it after two to three uses and wash or replace filters as the manufarturer directs. If none of those help, check on the hose because it might be clogged. To check, drop a coin in one end. It should come out on the other side, if not, force the debris through the hose with a broomstick.