E7
Laresar
LDS / LiDAR Turret Blocked or Failure (for LiDAR-equipped Laresar models)
Robot vacuum reports E7 and refuses to start cleaning, often after being moved manually.
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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
LiDAR turret blocked by dust or object, LiDAR window dirty, LiDAR motor stuck, LiDAR ribbon cable loose
How to Fix / Troubleshooting
Safety: Turn off the robot and remove it from the dock.
- Inspect LiDAR turret: On LiDAR models, the round turret on top should rotate freely. Check for objects or dust buildup around it.
- Clean LiDAR window: Wipe the transparent LiDAR window with a soft, dry cloth. Do not use liquids directly on the sensor.
- Check rotation: Gently try to rotate the turret by hand. It should move smoothly without grinding.
- Restart the robot: Power on and start a cleaning cycle. Watch to see if the turret spins.
- If turret does not spin or E7 remains: The LiDAR motor or sensor board may be defective or disconnected. This requires opening the top cover, checking the LiDAR ribbon cable, and possibly replacing the LiDAR module.
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Repair Difficulty
Professional Required
5/5
Required Part
Laresar LiDAR Sensor Module
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