Error one (1) means your Roomba j Series or Combo® 10 Max robot is on an obstacle or an uneven surface and the left wheel is stuck. If this is the case, lift Roomba off the floor, place it in the center of the room and restart the clean cycle. If this error occurred on a flat surface, check the left wheel for obstructions.
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Push the wheels up and down several times and shake out any loose debris that may be trapped in the wheel well
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Briskly turn both wheels by hand and make sure they turn freely and that each wheel exhibits the same amount of resistance
Please visit the iRobot Store - Parts and Accessories or use an authorized retailer to order a part. If you believe you're in warranty, please contact iRobot Customer Care.
