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Dust bag is blocked: Check whether the dust bag is blocked by foreign objects, and clean the dust bag in time.
Dust filter belt: Check whether the dust filter belt is clogged. Take out the dust filter belt and shake off the dust on it.
Poor sealing: Check whether there are cracks in the top cover and middle shell of the vacuum cleaner, resulting in poor sealing. It is recommended to send it for repair. It may also be that the screw is loose, just tighten the screw.
Wear: If the bristles of the rotating brush have been worn for a long time, although this situation will not affect the rotation of the motor, the brush cannot be dusted, so even if there is suction, it will be very weak. To solve the problem, you can first remove the rotating brush from the vacuum cleaner, and then adjust its position well, so that the bristles are tightly attached to the ground, and see if it can produce dust. If not, you can only use a new one.
