Having problems with your Dyson DC15 All Floors - The Ball Bagless Upright Cyclonic Vacuum ?

It is making a whistling sound and is losing suction


Answers :

Make sure the top (above the cones) and the bottom (ball) filters are clean. The whistling sound is due to the bottom filter either being clogged or poorly seated and the air is escaping around the rubber seal, making the whistling sound.
Repair Help & Product Troubleshooting for Dyson DC15 All Floors - The Ball Bagless Upright Cyclonic Vacuum

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It is making a whistling sound and is losing suction


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