Question about iRobot Roomba 440 Cordless Robot Vacuum
When activated, roomba only backs up or turns a small arc of a circle, then backups up again. Bumper and cliff sensors are clear of debris.
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: roomba just runs in small
i just recently had someone bring in a roomba discovery and all it would do is stay in a tight 4 tile area and go in circles. battery was fully charged and all bumpers were clear.
i took a can of air blast for cleaning computers and blasted the area on the bottom underneath the sensor and watched as several dust bunnies came flying out.gave it a few more blasts for good measure and put it back on the floor and hit power then clean buttons.
thing went in same tight circle for 2 passes then the circle got bigger for 2 more passes , blue light indicator came on and it made a straight line dash across to closed door and started following the edge and criss-crossing the room.
called the owner back in to test and it repeated the same moves when she started it and all appeared to be working normal again.
Posted on Oct 21, 2008
When the status light comes on, the Roomba is going to sing "uh-oh," and then beep a number of times. Count the beeps. They're a code that tells you what's wrong with the Roomba. You can check iRobot's website for a chart of beep codes. Search "What is Roomba saying to me?" on the troubleshooting page.
Posted on May 15, 2009
Perhaps its a wheel drop sensor instead of a cliff sensor. Clean the caster, caster axle, caster motion sensor, remove and vacuum or blow the dirt from the left and right wheel assemblies.
Posted on Dec 13, 2009
You will need to take the top off to clear those wheels.
This happens a lot when cleaning new carpet. The fuzz jams the wheel switch, and dosey do you go.
Posted on Mar 11, 2010
Yes, this is known issue and if your bumper moves freely, you might be facing a sensor fault caused by poor quality of components.
Here is a guide to fix it
Posted on Mar 18, 2010
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