An upright vacuum with a powerful brush bar is often the best choice for cleaning pet hair.

A build-up of dust can occur inside the filter, which reduces suction without being easily visible..If your vacuum’s filters look worn or damaged even after cleaning, then you may need to replace them.

You can buy replacement filters directly from Dyson.. Related Article:.If you’d like to learn more about clearing filters, check out our guide to.cleaning a Dyson cordless vacuums filters.

Blockage Inside the Vacuum.A blockage can also cause a Dyson cordless vacuum to pulse, as there isn’t enough airflow through the machine to keep the motor cool.. Blockages can happen anywhere inside the vacuum, but some of the most common locations include:.

The entrance and exit to the dirt container.

You should also avoid overfilling your Dyson vacuum cleaner, as this can reduce airflow and cause pulsing..Don’t use any cleaning product, as this can be sucked into the vacuum and cause damage..

Allow the bin to fully dry before reattaching.Dyson cordless vacuum bins are not safe for the dishwasher.

You should avoid using cleaning detergents, air fresheners, or polishers, as these can all cause damage to the vacuum.. Related Articles:.How to Empty And Clean a Dyson V6.