The airways are soiled.
Clean all the airways.
Support for yourCordless Stick Vacuum Cleaner
Operating noise changes during vacuuming
The operating noise of the vacuum cleaner changes during vacuuming.
The flooring detection is activated at higher power levels. The electrobrush power rating is automatically set to the optimum level based on the type of flooring.
The noise is not unusual – the vacuum cleaner is functioning normally.
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