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What to do if Roomba® Dirt Detect™ indicator is always on?
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iRobot on Instagram: “Thanks to our Dirt Detect™ Technology, your Roomba Combo™ j7+ will determine dirtier areas that need a little extra attention. Messes won't…”
iRobot Roomba 620 Vacuuming Robot Black - Walmart.com
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What to do if Roomba® Dirt Detect™ indicator is always on?
Amazon.com: iRobot Roomba 981 Robot Vacuum-Wi-Fi Connected Mapping, Works with Alexa, Ideal for Pet Hair, Carpets, Hard Floors, Power Boost Technology : Amazon Devices & Accessories