Question about Roomba Robotic Floor Bagless Vacuum

5 Answers

Roomba Discovery Roomba is fully charged and cleaned with sensor wiped clean. When turned on it it sounds normal and commences to go, but it then acts like it is putting on the breaks, spins, tries to go and manages a short distance and breaks again, just not making any progress because it keeps breaking after a foot or so and turns and tries again. Sometimes is gets so stuck from moving forward at all, like it is stuck in one spot just trying to go while seemingly surrounded by barriers. Sometimes it finally it breaks out into a normal pattern and cleans until charge is exhausted, after I fiddle with it and turn it off and on a few times, but after recharging for the next use it again commences with this difficult attempt to make some distance. It doesn't do this pattern after it has begun to act normally, only when first turned on, and I have to bump and fiddle with it, turning it off and on, for it to break out of the pattern. The Roomba is over a year old and functioned properly until this symptom

Posted by MamaG on

  • 2 more comments 
  • Anonymous Nov 21, 2007

    My problem is that it goes backwards, with a fully charged battery. Does anyone have a answer to this problem? Is there some way to reprogram the Roomba to get it to work properly?

  • danimc Dec 19, 2007

    My roomba is fully charged and appears to be ready for the job, but only begins to go a short distance and stops. I've cleaned everything checked to see if sensor was blocked and nothing works.

  • laf7 Feb 12, 2008

    Similar problem with robot acting as if there are barriers in all directions, almost as if snagged on the carpet in one spot, and with the rear end raised up; after a couple of minutes it will usually suddenly break free (with the rear end dropping back down) and continue as normal but then shortly repeat the cycle. It does this frequently enough to have become completely useless. I've taken it apart and cleaned it thoroughly and made sure all wheels, etc., move freely and all sensors are unobstructed but to no avail.

  • jdwebbe Apr 03, 2008

    My Roomba does exactly what the others have complained about!!!! and seems only to clean for about 5-10 minutes and then returns to its docking station?? could this also be a battery issue???

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5 Answers

Anonymous

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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

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Anonymous

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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

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Anonymous

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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

Anonymous

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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

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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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Related Questions:

1helpful
1answer

What are these 2 blinking lights on my irobot roomba?

"The Charge Indicator Light is located immediately to the right of the power button on Roomba Red and Roomba (sage). On Roomba Discovery and Discovery SE, the Charge Indicator Light is incorporated into the power button. Please refer to the table below to determine what the Charge Indicator Light is telling you.

* Pulsing Amber - Charging
* Green - Fully Charged
* Amber - Partially Discharged
* Red - Almost Fully Discharged
* Flashing Red - Fully Discharged"
At the end of a cleaning mission, Roomba will tell you if it has successfully completed it's mission or not:

GREEN = MISSION COMPLETE

YELLOW = MISSION ABANDONED (Check robot's brushes, etc.)

YELLOW RED POWER BUTTON = BATTERY DEPLETED (Scheduler Models)

RED YELLOW POWER BUTTON = BATTERY DEPLETED (Discovery Models)
number of beeps after ?uh-oh? :

No beeps: A wheel is stuck or is not touching the ground. Pick up the robot, place it down securely on the floor and touch the clean button to restart the cycle.

1 beep: The main brushes cannot turn. Turn over Roomba and remove the brush guard by pushing the two yellow tabs. Remove the brushes, clear any obstructions, and replace them again.

2 beeps: The side brush cannot turn. Turn over Roomba. Look to see if something is wrapped around the side brush. Remove the side brush with a screw driver and check for string or hair that may be wrapped around it.

3 beeps: The vacuum cannot run Remove and empty Roomba?s bin.

4 beeps: A wheel motor cannot run Your Roomba may be stuck or something may be wrapped around a wheel. Look for something wrapped around the wheels. Push them in and out and make sure they turn easily.

5 beeps: The cliff sensors have failed or are blocked. Turn over Roomba and clear any debris that might be caught underneath the front bumper in the cliff sensors. You can also use compressed air to clean them out.

6 beeps: Wheel obstruction or robot attempting to drive over an obstacle. Turn over Roomba and remove any obstructions that prevent the wheels from seating all the way up into Roomba?s body. Also, remove any obstacles that Roomba could drive over.

7 or 8 beeps: Not applicable Roomba?s beep codes do not include 7 or 8 beeps. If you are getting an error with 7 or 8 beeps, try counting again or contact iRobot Customer Care.

9 beeps: Sensor error Please contact iRobot Customer Care.

10 beeps: Roomba is stuck Pick up Roomba and start it again somewhere else. Use a virtual wall or other barrier to keep Roomba away from the
place it got stuck.

Your Roomba may be experiencing an issue where the battery is deeply discharged and may need to charge longer than the standard 3 hours. (or 7 hours if you have a standard charger)

Even with the charging light showing green (this indicates a fully charged battery) the robot is still charging. If your Roomba exhibits behavior where it charges for a short time then runs for a short time you will need to do the following.

1. Plug the charger into Roomba (if you have a home base be sure to plug directly into Roomba instead of using the home base, this will ensure the robot's charging cycle is not interrupted.)

2. After the Roomba's charging indicator goes to solid green please keep the Roomba on the charger for an additional 72 hours. (3 days)

3. After the 72 hours (3 days) has passed, turn your Roomba on and begin a normal cleaning cycle. If this works successfully it may take several uses for the battery to get back up to the performance it once had.

If this does not correct the problem, please call customer support at 877-855-8593
Nov 22, 2012 • Vacuums
0helpful
2answers

I starts and tehn stops and beeps three times. I can start it aain and it will run but then it does the same thing'

Hi,

TYhe iRobot Roomba has different model designations. Here is a webpage with a list of what the beeps mean in the 400 series. I am thinking that is what you have. 3 beeps means the dirt cup is dirty, filters are dirty, or debris in collecting and it needs to be cleaned.

Here is the webpage: http://uksupport.irobot.com/app/answers/detail/a_id/1047/kw/iRobot%20Roomba%20Discovery%20SE%20Bagless%20Robotic%204200%20series%20Vacuum%20beeps%203%20times/related/1

Hope this helps. If it does, I would appreciate a vote. Thanks,

Handie Andie
9helpful
2answers

Status light is red, why? I have a Roomba Discovery.

Hi.

If the red light is solid, that means that the Roomba is near to full discharge. If the light is flashing red, then the Roomba is completely out of charge.

If the Roomba is fully charged, then there may be a fault.

Here full list of light codes:

Pulsing Amber - Charging
Green - Fully Charged
Amber - Partially Discharged
Red - Almost Fully Discharged
Flashing Red - Fully Discharged"

Here manual

See also
Roomba DISCOVERY MODELS' DIAGNOSTIC TESTS
May 24, 2010 • Vacuums
0helpful
3answers

It starts and for a few seconds and then stops The battery is fine

Is the charging ase turned on and is the dust container emptied? Any obstructions?
0helpful
1answer

Discovery brushes won't turn. All bearings clean.

usually fibre jammed in wheel / brushes. try small hook run around spaces in unit toremove usuall human hair
2helpful
1answer

When I push the clean button. (roomba discovery) it just makes a 'quack' sound and doesn't move.

the battery on your roomba is dead, try charging it for 16 hours, after that if it still does not work. you need to replace the battery.
2helpful
1answer

Roomba just runs in small circles

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.
0helpful
1answer

Roomba discovery stop working

Try spraying a compressed air can (computer cleaner) under the brush compartment (under the yellow housing). There are sensors and other wires underneath.
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