Hi, it's Allie from Crucial Vacuum!
There are several things that may affect the performance of your unit and cause this to happen. The roller brush may stop working properly because of the belts, the roller brush or the filters in your unit.
Belt are recommended to be changed every 3 months, not replacing the belts can cause them to stretch out and the roller brush won't work properly. If the belts are in optimal conditions and do not need to be replaced, this may have been caused by your unit's rollerbrush.
Roller brushes can be cleaned and maintained to avoid frequent replacement. Make sure that there are no hair strands or debris tangled up in the brush roll's bristles, this may cause the roller to not work. Monthly care of your brush roller will help to keep you vacuum working properly.
Last, make sure to check your filters, if the filters have not been washed (if washable) or have not been replaced, it can affect the suction and performance of your unit.
You can purchase direct your replacement belts, brush roll and filters from Crucial Vacuum with free shipping and an exclusive 10% coupon for Fixya.com readers, use code: FIXYA10
www.crucialvacuum.com
I hope this was helpful. If you would like further assistance, please feel free to give us a call at 877.750.9239. We have helpful and friendly customer care representatives on the line ready to assist you.
Alejandra (Allie) Sepulveda-Rivera
Crucial Vacuum Customer Care
http://www.crucialvacuum.com
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