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Title: Gets stuck sometimes
Review: What a great thing to have a machine do one's work. I'm very happy overall. However, there seem to be spots where the Roomba gets stuck and can't continue, in my case because of the edge of a carpet near a wall or possibly because of a raised doorsill next to a 1.5-inch dropoff. I guess I'll put one of the barrier beam devices to prevent the Roomba from going to the spots that make it stop. It also won't go down the 1.5-inch dropoffs (unless perhaps I covered the dropoff sensors), so it can't do my whole apartment at once.
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