Nilfisk General Airflow Restriction / Loss of Sealing

Vacuum has very weak suction but motor sounds normal

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Possible Causes

Clogged cyclone mesh, Blocked wand or hose, Damaged bin or gasket seals, Clogged pre-motor and HEPA filters

How to Fix / Troubleshooting

Safety: Remove the battery before disassembling any parts.

  • Empty and clean bin: Remove the dust bin, empty it, and clean the cyclone mesh with a soft brush.
  • Check for clogs: Look through the wand and nozzle for obstructions. Push a flexible rod or broom handle gently through to clear blockages.
  • Inspect seals: Examine rubber gaskets around the bin, cyclone, and filter housing. Replace if cracked or flattened.
  • Clean/replace filters: Wash or replace the pre-motor and HEPA filters as specified in the manual.
  • Reassemble and test: Ensure all components click firmly into place to maintain airtight seals.
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Repair Difficulty

Easy 2/5

Required Part

Cyclone Assembly
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