Question about iRobot Roomba 4210 Bagless Robotic Vacuum
Posted by Anonymous on
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
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
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
Posted on Jul 08, 2009
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
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.
ps check out robotreviews.com for super detailed walkthrough of this process.
Posted on Dec 08, 2010
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