Error 40 means Roomba i Series is stuck in the infrared (IR) beam of a Virtual Wall® or Home Base®. Move Roomba to a new location, then press CLEAN to restart.
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If you have multiple Virtual Walls facing one another, Roomba may experience issues with navigation. Please adjust your Virtual Walls, ensuring they're not directed at each other.
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If this error occurs near the Home Base, ensure the Home Base is in a clear, uncluttered environment with sufficient space on all sides. Reposition the Home Base if the error persists.
