Having problems with your iRobot Roomba 4210 Bagless Robotic Vacuum ?

Help Hi I have had my irobot roomba model 4000 now for 3 months now, I just LOVE it sooo much. I have used it everyday since I got it. But now it is not working. I cleaned it all out I even sprayed it with that air spray can. What happens is, It starts to go then it acts like there is something in the way and stops then goes the other way, then goes off. What is wrong? Please help!!!

Answers :

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.
Repair Help & Product Troubleshooting for iRobot Roomba 4210 Bagless Robotic Vacuum

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