Lefant Top Cover / Anti-Stuck Sensor Issue

Robot vacuum stops under furniture and cannot free itself, even though there seems to be enough clearance.

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Possible Causes

Top cover or bumper height sensor misaligned, Furniture underside catching on raised components, Robot height increased by aftermarket accessories

How to Fix / Troubleshooting

Safety: Turn OFF the robot before inspecting the top area.

  • Step 1 – Inspect top sensors: Some Lefant models have top-facing sensors or bumpers. Ensure they are not loose or sticking up.
  • Step 2 – Remove accessories: Remove any decorative covers, stickers, or accessories that increase the robot’s height.
  • Step 3 – Adjust environment: Block access to furniture with marginal clearance using barriers or by lowering/raising the furniture slightly.
  • Step 4 – Test: Run the robot and observe its behavior under the problematic furniture.
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Repair Difficulty

Very Easy 1/5

Required Part

Top Cover / Height Sensor (if equipped)
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