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Roomba going in circles.
Called irobot and if reseting it (by taking out the battery, unplugging it from the charger, and holding down the power button for 30 seconds), didn't work, turn the roomba over, take a compressor and blow air into the front. Maybe a shop vac would also work. We cleaned out the whole thing while we were at it. And now it works just fine. The tech person at irobot was very helpful.
hey gsaban does it sing 9 beep when it stops ? if it does, you are facing a known issue of bumper sensor fail. See this page and other 9 beep threads on FixYa
clean your filter . mine was doing the same thing and i took everythng apart under it and low and behold it works wonderful now. but now ive lost the lil brass screw that holds the lil brush on ugh
you cleaned the wrong thing there are small ir lights on the under side of the Roomba they look lke small red buttons clean the lenses with a q-tip and, alcohol. these infrared leds are the roomba's eyes you'd go in circles too if you couldn't see obstacles.
Mine did a similar thing. I kept trying to use it anyway, when it made a violent jerk (I thought it had broken something) and it started to work again.
Have you tried pressing both buttons at the same time to make it go straight ahead? It might work.
I had the same kind of problem with my model 400 today...after starting it and having it go in a circle for 30 seconds or so it would finally run into something and then back up a few inches, turn, then go forward a few inches, then back up a few inches, turn, then go forward a few inches, etc., etc.. I tried cleaning off the four pairs of sensors under the bumper and blowing out various things underneath (by mouth since I didn't have any canned compressed air). It didn't really help. It then occurred to me that I had a leaf blower! I put the Roomba upside down on the grass, put the leaf blower on high, and blew at it from all directions and up close. More dust came out than I thought would. It has been running normally now for the last 45 minutes.
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