Vacuum cleaners create a bit of noise, and its intensity depends on the size of the appliance. However, if you notice any unnatural noise coming out of your vacuum cleaner, you may try the following steps –
● Clean the filter and make sure they are not jammed by dirt and debris
● Make sure any large debris is not clogging the hose
● Inspect the fan for any damages or clogging
● Read the instruction manual particular to the model you are using