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Justin WilsonJul 26, 2025
What to do if my Hilti Vacuum Cleaner has an acoustic warning signal and reduced suction power?
- Wwalter19Jul 26, 2025
If your Hilti Vacuum Cleaner is emitting an acoustic warning signal and has reduced suction power, it could be due to several reasons. First, check if the dust bag is full and replace it if necessary. Another potential cause is a filter element clogged with dirt or dust; if your vacuum has an automatic filter cleaning system deactivated, activate it and let the cleaner run for about 30 seconds. Also, inspect the suction hose or dust hood on the electric tool for blockages and clean them. Lastly, verify that the hose diameter setting is correct, especially for hollow drill bit applications where a 15 mm setting is recommended.
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