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The iRobot Roomba 870 is an automated robotic vacuum cleaner that is part of the iRobot inc. 800 series Roombas.

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Why does it just keep going in a circle?

My 870 is 1.5 years old. This is the first time that it has demonstrated this behavior. While it goes in a circle, there is also a blue light on the dashboard. I've never seen this light. We notice that the non-drive wheel seems to be loose.

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@jpmokray the circle dance is usually caused by bad LED sensor on the front bumper. Slightly different model but same issues as on here

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We've ordered a new LED. Thank you!

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jpmokray@optonline.net will be eternally grateful.
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