This is a very common problem with the DC07 and a very straight forward one, your machine is being starved of air and the motor (which relies upon a constant airflow across it) is getting hotter, the...
There are two main areas that cause poor suction in DC01s, a blocked wand or a blocked sole plate. Both are not always as obvious as they may seem as in the case of the wand, it can appear clear at both ends....
A common problem found with the DC08 and DC11 cylinder cleaners is a notable loss of suction that seems to remain despite cleaning the filters. If you have such a machine and have noticed that the performance...