Dreame Obstacle Detection Degradation

Robot vacuum bumps into furniture more than usual and does not slow down before impact.

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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

Dirty front IR sensors, Stuck or insensitive bumper switches, Faulty front sensor board, Misaligned bumper assembly

How to Fix / Troubleshooting

Safety: Turn off the robot before cleaning sensors or bumper.

  • Clean front sensors: Wipe all front-facing IR windows and camera lenses with a soft cloth.
  • Check bumper movement: Press the bumper across its width to ensure it moves freely and returns smoothly.
  • Inspect for damage: Look for cracks or misalignment in the bumper that could prevent proper actuation.
  • Internal check (advanced): Open the front shell and verify that the bumper sensor board and microswitches are intact and wired correctly.
  • Replace components: Replace the front bumper assembly or front sensor board if they are damaged.
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Repair Difficulty

Medium 3/5

Required Part

Front Sensor / Bumper Board
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