Question about Roomba Robotic Floor Bagless Vacuum

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No suction Hi i have a red roomba, and it has no suction anymore.

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  • mornachew May 02, 2008

    Hi thanks for your quick reply.

    Yes clean them all the time and wipe down.

    I felt the back of the roomba when it was on and thier was air coming from it - so the back motor is working - but its just not picking anything up anymore.

  • mornachew May 02, 2008

    Yes to the cleaning the brushes and the connections - i feel the little motor at the back working.



    Still not picking up though

  • bmalison Jun 10, 2008

    My red roomba no longer "sucks" in any debris. Brushes, filters and chambers are all clean. Vaccuum is only a few months old. Seems to make an odd noise and brush apparently does not turn

  • rosslyn1037 Oct 22, 2008

    We just bought a 4150 model Roomba not even two months ago, and now it is making a high-pitch squealing sound and there is no suction. I empty the dust bin and clean the brushes after every use, which is about every 2 days. We have 3 cats that it is cleaning up after. I ran it without any brushes to see if it still made the noise, and it didn't. So I figured that maybe the brushes and filter need to be cleaned with soap and water. I wiped out the dust bin and the body of the Roomba with a lightly dampened cloth. After doing that and allowing everything to dry overnight, I put everything back together, but sadly, we hear the noise again, and no suction. So I don't know what is wrong. Tomorrow, we will call iRobot. We are thinking that maybe the vacuum motor isn't working anymore, and only after 2 months of purchasing it. Are the more expensive models, such as the 560 better quality, or are they all the same under the hood? If anyone can help me, that would be great. Thanks.

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Roomba does much of its cleaning by the brush and roller on the bottom, but an important part is the little fan at the back of the debris bin which provides 100% of the 'suction.'
First, take off the vent cover on the back of the debris compartment and start Roomba on a mission. You will see the little turbine spin (if it's working) and probably a little dust cloud will come out.
It may not be working at best efficiency, however, because dirt gets sucked into the housing and blocks much of the air flow. Now that you know what the fan/turbine looks like (it's quite small, only the size of two stacked silver dollars), peer down into the larger opening of the debris bin and view the turbine from the other side. Chances are there's some crud stuck down there which is impeding air flow. (There's a hollow part of the turbine where the air is sucked into before being expelled out the back, that's probably filled with pet hair/dust/etc.) Clean that out using a long knife, chopsticks, or anything else that can reach down in there. Bang the dust bin down (lightly) to dislodge any more hair that's up there and continue cleaning until it's all gone.
I've had 3 Roomba's and they all get hair stuck up there. I only have to do this once a year or so (multi-cat and dog household here!) but it makes all the difference in the world.

Posted on Jun 21, 2010

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Roombas are a vary "low suction" device. The major amount of debris is picked up by the brushes. I assume you a re using the brush cleaning tool, removing the brushes and cleaning them. The other part is the dust bin which contains a small turbine motor. The connections can become dirty and the motor will not run. Make sure you keep the dust bin clean with a damp cloth especially at the contact points on the bin and roomba unit.

Posted on May 01, 2008

  • Paul Cernech May 07, 2008

    If every thing is working as you said, then my suggestion would be to buy a new brush kit and filter and see if that helps.

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bobfiala
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SOURCE: No suction on my red roomba

Make sure you have a filter installed, then change or clean it. Without a filter, the fan will get clogged.

If that doesn't help, clean the fan and the exhaust port, and verify that the fan is working.

If the fan is working and the filter is clean, then your appearent lack of suction is probably due to the fact that your brushes are not turning, and therefore not collecting debris. That's a whole different problem, one I also have, but haven't solved yet (though there are suggestions on this site).

Posted on Nov 14, 2008

6ya6ya
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Posted on Jan 02, 2017

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