Why is my Kärcher Vacuum Cleaner's performance so poor?
- JJack SmithAug 19, 2025
Poor vacuum performance in your Kärcher Vacuum Cleaner can stem from several causes. Debris might be caught in the system, so remove any obstructions. Ensure the lid is correctly closed and latched. The accessory hose should be tightly sealed in the hose holder. Also, a low battery charge can affect performance, so charge the batteries. Other potential issues include full bag or debris tray (empty them), faulty gaskets (inspect and replace), or a vacuum diverter valve that is not actuating (check for debris). Finally, check electrical connections and the timer circuit board.