Question about iRobot Roomba 4210 Bagless Robotic Vacuum

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Why roomba clean for 2 minutes then returns to dock?

Posted by Anonymous on

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  • 109 Answers

I suspect the battery is about dead. It keeps coming back for more power.


Run it away from it's charger, force it to run until it dies. Put it onto it's charger and let it charge a long time (Solid green light). Then run it again till it dies and repeat. This will perhaps force the battery to develop a longer memory

Posted on Aug 14, 2014

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Posted on Jan 02, 2017

  • 2 Answers

SOURCE: Brushes are clean, but Roomba stops and says clean brushes

I decided to take it apart and see if I could fix it because even if something inside went "SPROING" and I couldn't get it back together, it wouldn't be any worse than it was already.

FIrst, remove the dust bin part and the brushes. Then, there are four screws on the bottom gray panel which have to be removed first in order to get to the gears which hold the brushes. I did not remove the little sweeper brush on the front, but I just slide it through the hole in the gray panel.

Then in order to get out the orange section which actually holds the brushes, there are four screws which must be removed. The orange section is attached to a blue section. This entire unit comes out by sliding it toward the area where the dust bin goes, being careful not to tear the light gray rubber gasket which covers the side.

Once that section is removed, there are two screws on each side. These screws hold the orange thing to the blue thing. Once the screws are removed, lift up only the side which has the white squares into which the brushes are inserted. These are actually the back side of little gears. There is a face plate on the outside of the orange part on this end. The other end contains a bunch of wires and I was careful not to disconnect any of them.

The face plate has six screws which must all be removed. Use caution when removing the face plate. Hold it up so that all of the stuff doesn't fall out. It has a bunch of gears, little brass looking fittings and grease. Take care to only remove the gears which have the squares which hold the brushes AND do it one at a time unless you like working jigsaw puzzles. I used tweezers and a pin to clean the "gunk" consisting of hair, fuzz, etc., out of the little gears.

Reverse the process to put it back together. Hazel, my little Roomba, played me a happy little song and immediately went back to work. She seems as good as new.

Posted on Nov 20, 2008

  • 1 Answer

SOURCE: 4210 and 4230 won't charge-new batteries.

I've been having the same problem myself. The charger is apparently built into the roomba main board. From what I've read there are two MOSFETs U2 & U4 that can go out and require replacement to fix the problem. More info here
http://www.robotreviews.com/chat/viewtopic.php?f=1&t=3909

Posted on Jul 08, 2009

  • 61 Answers

SOURCE: My Irobot Roomba keeps saying that I need to clean

Perform the troubleshooting found at the iRobot website: http://tinyurl.com/nh5c8a (I promise that really does go to the right site.) That troubleshooting will enable you to determine exactly what's causing this problem. (The Easy Way: Run the Roomba minus the dustbin and look in the back. Is the brush turning? If not, there's the problem. Give support a call at 1-877-855-8593 and they'll let you know how to replace the necessary part.)

Posted on Aug 25, 2009

SOURCE: My Roomba does not want to dock

Need more info.
Does the unit go into search mode? "SPOT & CLEAN" flashing? It actually tries to search?
Do you have another roomba to test your dock on to see if IT will dock? If it tries but just cant, then either the dock transmitter, or the roombas receiver is dead. (The round antennae thingys on the dock and the bumper) replace these would be the first point.

Posted on Jul 24, 2010

  • 10 Answers

SOURCE: makes clicking noise and runs

Pet hair often gets sucked into the gear box that drives the brushes and can clog it enough to generate this error. you need to remove the CHM (cleaning head module) and open the gear box on it to clean it out... you can also visit iRobots site and buy a new one that has been redesigned to avoid this issue.
Cheers, immorion
ps check out robotreviews.com for super detailed walkthrough of this process.

Posted on Dec 08, 2010

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Related Questions:

1 Answer

Why does irobot dock without cleaning room?


How long does it run before docking? One to two hours is normal. 2 minutes means your battery is dying and it's coming back for more power.

May 09, 2014 | iRobot Roomba 4210 Bagless Robotic Vacuum

2 Answers

Changing the language on roomba pet series


You need to post a model numbers before I can help you.
Now, a three second search of the roomba help section on the roomba website turned up this:


All Roomba 700 Series and select 500/600 Series can provide troubleshooting messages in either English, French, German, Spanish, Italian, Dutch, Danish, Swedish, Norwegian, Finnish, Polish, Russian, Portuguese, Japanese, Korean, or Chinese.
Roomba's default language is English.

700 Series: Instructions for Setting the Language
  1. Turn ON your Roomba by pressing CLEAN.
  2. Press and hold DOCK until it beeps and says the current language.
  3. Release DOCK. Roomba is now in Language Selection Mode.
  4. Now press CLEAN repeatedly until you hear the language you want.
  5. Press and hold CLEAN to turn off your Roomba and confirm language choice.
500/600 Series: Instructions for Setting the Language
  1. Turn OFF Roomba. (Press and hold CLEAN until Roomba's lights turn off.)
  2. Press and hold CLEAN until Roomba beeps and says the currently selected language.
  3. Release CLEAN. Roomba is now in Language Selection Mode.
  4. Press CLEAN repeatedly until you hear the desired language.
  5. Press and hold CLEAN to turn OFF Roomba and confirm the language choice.

Jan 25, 2014 | iRobot Roomba 550 Vacuum

2 Answers

How do I change schedule on Roomba


go to roomba.com when at there site go to customer care support then to pooduct resources then select a robot roomba,scooba,ect find your sereies 700,600 ect go to documents&manuals then to scheduling roomba then to viewing and deleting schedules follow the steps

Dec 18, 2012 | Roomba iRobot 560/561 Vacuum Cleaner...

1 Answer

My roomba 530 cleans just great, but it will not return to the docking station--it just stops in the middle of the floor without any warning. I push the dock button, etc. to no avail.


I sometimes have the same problem with my Roomba 530 (named Ethel). Make sure the signal transmittor on the docking station and the signal receiver on the top of the Roomba are clean. You can use a cloth or paper towel with a SMALL amount of window cleaner to run around both of these signal devices. I also like to clean the metal contacts on the station and the corresponding contacts on the bottom of the Roomba at the same time. This won't make a difference for the docking but it just assures that the vacuum will charge efficiently. If this doesn't work, you might need to have the unit cleaned professionally unless you feel comfortable about taking the unit apart and cleaning it yourself. I did this and Ethel has worked fine ever since!
If this helps, please come back and rate my suggestion!

Jun 06, 2011 | iRobot Roomba 530 Robotic Vacuum

1 Answer

Roomba stopped after 45 minutes. does not move. manually placed on docking station...nothing


Sounds like something's dead either with the roomba or the charging station or power supply. Does it charge up if you plug the power supply directly into the roomba, instead of into the charging station? If not, you'll probably have to return it to the place you bought it.

Aug 27, 2010 | iRobot Roomba 560 Robotic Vacuum

1 Answer

4210 and 4230 won't charge-new batteries.


I've been having the same problem myself. The charger is apparently built into the roomba main board. From what I've read there are two MOSFETs U2 & U4 that can go out and require replacement to fix the problem. More info here
http://www.robotreviews.com/chat/viewtopic.php?f=1&t=3909

Jun 28, 2009 | iRobot Roomba 4210 Bagless Robotic Vacuum

1 Answer

Roomba cuts off after a minute or so.


If you have a 400 series Roomba, try removing the battery, then holding down the power button for ten seconds, then recharging the unit before you run it again.

If you have a 500 series Roomba, don't take out the battery-- just press and hold the "spot" and "dock" buttons for about fifteen seconds. The Roomba will play a tune, and you can then charge it and try running it again later.

May 13, 2009 | iRobot 4150 Roomba Vacuum

1 Answer

My Roomba does not want to dock


Need more info.
Does the unit go into search mode? "SPOT & CLEAN" flashing? It actually tries to search?
Do you have another roomba to test your dock on to see if IT will dock? If it tries but just cant, then either the dock transmitter, or the roombas receiver is dead. (The round antennae thingys on the dock and the bumper) replace these would be the first point.

Jan 21, 2009 | iRobot Roomba 4210 Bagless Robotic Vacuum

1 Answer

Roomba 4200 Scheduler


The best for the battery if (NiMH). Discharge completly, than charge full (charge more even the charger indicates full charge)

Clean every part, maybe a hair slow down the wheels and thats why need more power.

Here some tip from the web:


With proper care, one iRobot Roomba battery can last for hundreds of cleaning cycles before you need to replace it. Here are some things you can do to extend Roomba's battery life and keep Roomba cleaning at peak performance:



Use your Roomba frequently. Your Roomba is powered by a rechargeable nickel metal hydride (NiMH) battery, which lasts the longest when you use it regularly.



Keep the brushes clean. If the brushes and brush axles get clogged with hair and other debris, your Roomba will strain to spin them, using more battery power than normal. In extreme cases, the battery can even be damaged. See How to remove and clean Roomba's brushes



Keep your Roomba plugged in when not in use. If you have a Home Base®, keep your Roomba docked in the Home Base and plugged into the charging brick. If you don’t have a Home Base, keep your Roomba plugged into the APS Fast Charger.



Make sure you are charging your Roomba correctly. When your Roomba is plugged in correctly, the solid green light should be illuminated on the charger or on the Home Base.



Plug your Roomba in as soon as possible after using Max Mode. Leaving your Roomba unplugged for more than 24 hours can damage the battery.



Place your Roomba and the Home Base on a smooth, hard surface when yourRoomba is plugged in. Make sure your Roomba and the Home Base have plenty of space for ventilation. Do not charge your Roomba on a carpet or rug.



Charge and store your Roomba in a cool, dry place. Keep your Roomba out of direct sunlight and away from sources of heat such as windows, radiators, heating vents, and large appliances.



Remove the battery when not using your Roomba for a long period of time. If you will not be using your Roomba for more than a few weeks, fully charge the battery, remove it, and store it in a cool, dry place. When you want to use your Roomba again, insert the battery and fully charge it. Leaving your Roomba plugged in for weeks when it is not being used can damage the battery.

You can purchase a second battery or replacement online at the iRobot Store.

Nov 11, 2007 | iRobot Roomba 4210 Bagless Robotic Vacuum

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