Medion Debris Fall-Back / Check Valve Issue

Vacuum spits debris back out of the nozzle when turned off

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Possible Causes

Missing or damaged flap valve in nozzle, Overfilled dust bin, Blocked cyclone causing reverse airflow, Worn brush seal

How to Fix / Troubleshooting

Safety first: Remove the battery and detach the floor nozzle.

  • Empty bin: Ensure the dust bin is emptied before it reaches the maximum fill line.
  • Inspect nozzle flap: Look for a rubber flap or valve inside the nozzle or neck. Replace if torn or missing.
  • Clean cyclone: Remove fine dust buildup from the cyclone to maintain proper airflow direction.
  • Check brush seal: Inspect the front and rear seals on the nozzle base. Replace if worn to reduce debris escape.
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Repair Difficulty

Easy 2/5

Required Part

Nozzle Flap Valve
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