iRobot IR Receiver / RCON Sensor Failure

Robot vacuum does not respond to the Home Base or Virtual Wall barriers; crosses into blocked areas.

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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

Dirty front IR window, Virtual Wall batteries dead, RCON sensor failure, Strong ambient IR interference

How to Fix / Troubleshooting

Safety first: Keep the robot on the floor while cleaning front sensors.

Steps to resolve:

  • Check Virtual Wall: Replace batteries in the Virtual Wall or barrier and ensure it is switched on and oriented correctly.
  • Clean robot IR window: Wipe the dark plastic window on the front of the robot with a soft, dry cloth.
  • Reduce interference: Move IR-emitting devices (heaters, some lamps) away from the area.

When to replace parts: If the robot still ignores barriers and docking signals, the RCON/IR receiver board may be defective and require replacement.

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Repair Difficulty

Medium 3/5

Required Part

RCON / IR Receiver Board
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