Bissell Motor Overheating / Electrical Overload

Cordless vacuum emits a burning smell or hot plastic odor during operation

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Blocked airflow causing motor strain, Failing motor bearings, Hair wrapped around brush roll causing drag, Shorted motor windings

How to Fix / Troubleshooting

Safety first: Turn OFF immediately, remove the battery, and allow the unit to cool. Do not continue to operate if a burning smell persists.

  • Check for blockages: Clear all clogs from the wand, nozzle, and cyclone. Clean filters thoroughly.
  • Inspect brush roll: Remove hair and debris from the brush roll and end caps. Ensure it spins freely by hand.
  • Smell source: With the battery removed, smell near the motor vents. A strong burnt odor from the motor area suggests internal damage.
  • Test briefly: After cleaning and cooling, reinstall the battery and run the vacuum for a short period while monitoring for smell and unusual noise.
  • Replace motor assembly: If the burning smell returns quickly or the motor sounds rough, replace the motor assembly or main body. Continued use may pose a fire risk.
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Repair Difficulty

Hard 4/5

Required Part

Motor Assembly
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