Ecovacs Overheating Fan or Brush Motor

Robot vacuum emits a burning smell or very hot air from exhaust 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

Severely clogged filters, Brush jam causing motor overload, Fan motor bearings failing, Blocked air vents

How to Fix / Troubleshooting

Immediate safety: Turn the robot OFF, remove it from the dock, and let it cool for at least 30 minutes. Do not continue using it until inspected.

  • Clean filters and vents: Remove and clean or replace all filters. Ensure exhaust vents are not blocked.
  • Inspect brushes: Remove main and side brushes and clear all debris.
  • Test briefly: After cooling and cleaning, run the robot for a short period and monitor for smell or excessive heat.

If smell or overheating continues: The fan motor or brush motor may be failing and should be replaced immediately to avoid fire risk.

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Repair Difficulty

Hard 4/5

Required Part

Vacuum Fan Motor Assembly or Main Brush Motor
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