iHome Navigation Sensor Misread or Map Constraint

Robot vacuum starts cleaning but immediately turns around and stays in a small area, not exploring the full room.

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Possible Causes

Cliff or obstacle sensors dirty, Virtual wall/no‑go zone set in app, IMU calibration off, Front bumper partially stuck

How to Fix / Troubleshooting

Safety first: Turn OFF the robot before cleaning sensors.

  • 1. Clean all sensors: Wipe cliff sensors, front IR sensors, and the bumper area with a soft cloth.
  • 2. Check bumper movement: Ensure the bumper moves freely and is not stuck on one side.
  • 3. Review app map: Open the iHome app and verify that no restrictive no‑go zones or room boundaries are incorrectly set.
  • 4. Reset map: Delete the existing map and allow the robot to remap the area.
  • 5. Test in open area: Place the robot in a large, open room with minimal obstacles and start a cleaning cycle to see if behavior improves.
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Repair Difficulty

Very Easy 1/5

Required Part

Cliff Sensor Module
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