DeWalt
Filter Bypass / Filter Damage
Fine dust blows out of the exhaust while vacuuming
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Possible Causes
Torn HEPA or cartridge filter, Missing pre-filter, Incorrect filter type installed, Filter not locked in place
How to Fix / Troubleshooting
Safety: Remove the battery and wear respiratory protection when handling fine dust filters.
- Inspect filter media: Remove the main filter and check for tears, holes, or separated seams.
- Verify correct filter: Ensure you are using the correct DeWalt filter model for your cordless vacuum (e.g., specific cartridge or HEPA unit).
- Check pre-filter: If your model uses a foam or fabric pre-filter, ensure it is installed and intact.
- Replace damaged filters: Install new genuine DeWalt filters and ensure they are fully seated and locked.
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Repair Difficulty
Very Easy
1/5
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