Electrolux Optical Sensor Contamination

Robot vacuum’s sensors appear dirty or fogged, causing navigation issues.

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Possible Causes

Dust buildup on cliff sensors, Smudges on front IR sensors, Film on top camera lens, Cleaning with harsh chemicals

How to Fix / Troubleshooting

Safety first: Turn the robot OFF before cleaning sensors. Do not spray liquids directly onto the robot.

  • 1. Use proper cloth: Clean all sensor windows (front, underside, top camera) with a soft, lint-free microfiber cloth.
  • 2. Lightly dampen if needed: If smudges persist, slightly dampen the cloth with water or a screen-safe cleaner and wipe gently, then dry immediately.
  • 3. Avoid abrasives: Do not use paper towels, alcohol, or solvents that can scratch or cloud plastic lenses.
  • 4. Test navigation: After cleaning, run the robot in a well-lit room and observe navigation behavior.
  • 5. Replace damaged lenses: If lenses are permanently fogged or scratched, replace the corresponding Electrolux sensor module or cover.
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Repair Difficulty

Very Easy 1/5

Required Part

Electrolux Cliff Sensor Module
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