Eufy Boundary Sensor or Magnetic Strip Detection Failure

Robot vacuum does not avoid virtual boundaries or magnetic strips (if supported).

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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

Incorrect placement of boundary strip, Worn or incompatible magnetic strip, Faulty magnetic sensor in robot, Firmware not recognizing boundaries

How to Fix / Troubleshooting

Safety first: Turn OFF the robot while adjusting boundary strips.

Step-by-step:

  • Verify strip placement: Place Eufy boundary strips flat on the floor with the correct side up, as indicated in the manual, and ensure they are not under thick rugs.
  • Test with short strip: Place a short strip in front of the robot and start cleaning to see if it stops or turns away.
  • Check model support: Confirm your Eufy model supports magnetic boundary strips; some rely only on app-based no-go zones.
  • Advanced: If supported but not working, the internal magnetic sensor or hall-effect sensor board may be faulty and require replacement.

When to stop: If hardware is suspected, contact support for parts compatibility before opening the robot.

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Repair Difficulty

Medium 3/5

Required Part

Magnetic Boundary Sensor Board
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