DeWalt
Biological Growth in Tank / Filter
Vacuum smells musty or moldy when turned on
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Possible Causes
Stored with wet debris inside, Wet filter not dried before storage, Tank not cleaned after wet pickup
How to Fix / Troubleshooting
Safety: Remove the battery and wear gloves and a mask when cleaning moldy components.
- Empty and clean tank: Wash the tank or canister with mild detergent and warm water. Rinse thoroughly and dry completely.
- Replace filters: Discard and replace any filters that have visible mold or persistent odor.
- Dry thoroughly: Allow all parts to dry in a well-ventilated area before reassembly.
- Prevent recurrence: After wet use, always empty and dry the tank and filters before storage.
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Repair Difficulty
Very Easy
1/5
Required Part
Main Filter Cartridge
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