Question about Roomba Robotic Floor Bagless Vacuum
I had the same back-up, turn, move forward a couple inches, backup-up, etc. problem. Try cleaning/cutting the hair, etc. out from around the brushes, as well as around the ends of the brushes. Also, try a Q-tip to clean out the four pair of sensors (on my Roomba there are four pairs of little lenses under the bottom of the bumper) that (apparently) can cause the Roomba to think it is going over a cliff so it backs up. I didn't have a can of compressed air, so I turned it over on the grass and went after it with a leaf blower..up close. Lots of dust came out and it has worked fine since.
Posted on Sep 15, 2008
Get a 12 guage shotgun. Stand about 10 feet back from the Roomba. Make sure you are wearing protective clothing and glasses. Shoot the hell out of it. That will fix it as good as anything I have tried. You don't have to thank me.
Posted on Dec 09, 2009
I had the same problem and found the issue was with the right bumper sensor. The sensor was always activated and, as a result, the Roomba constantly thought it was running into something on it's right side. I doscovered this by running the factory diagnostics test (found here: http://mysite.verizon.net/gsplews/Diagnositic-Tests_Proc.v.0.5.htm). In the "Bumper Sensor" test, the symptom mine showed was that the "Spot" light was always on, indicating that the sensor was activated.
To fix the problem, I removed the bumper by removing the four screws along the front edge. The bumper then mostly pops off with a bit of wiggling (just be careful and don't force it -- it will still be connected by a couple of wires). You can then get in under it and clean out the sensors on the left and right sides where the spring-loaded arms connect to the body of the device.
It worked for me -- Roomba's back and work and the "circle of death" is gone. Good luck!
Posted on Jan 14, 2009
Get a can of compressed air (like you use to clean computer keyboards) and clean out all the sensors, crevices, etc on the underside of your roomba. I did this and it worked great!
Posted on Aug 06, 2008
No idea why it goes backwards. What I've seen with my two Roomba's is that if the bruches and wheels get junck stuck in them (ie hair, carpet) this behavior will occur. pull it apart and use the cleaning tool on it. A pair of tweezers might be helpful also.
Posted on Mar 22, 2008
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