Question about Vacuums
I press the Clean button, the roomba undocks but then immediately goes into dock mode and docks.
I don't know much of anything about roombas, but that sounds to me as though the battery is not holding a charge. Check the voltage to see if it is normal. If not, I would replace the battery.
Posted on Mar 28, 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
You may not believe this, but the new 500 series lighthouse virtual walls have both infrared and radio frequency communication. How they work and associate with the Roomba is pretty complicated. The best posting I've ever seen about how they work is here:
Check out that link to understand how the communication works.
If your Roomba is contained by the virtual walls, then you can assume the IR sensor on your Roomba us good....you should test that though. Then you might have to replace the "home base" which could have a bad IR transponder . New ones can be found for reasonable price at www.RoboticVacParts.com or you could order straight from iRobot for twice the price.
If the Roomba is not contained by the virtual walls, then the IR sensor on the Roomba is likely bad and you'll need to change the bumper on your Roomba. Again ....parts are available through ebay, or www.RoboticVacParts.com. Follow this link if you need it.
Posted on Jun 20, 2009
That sounds like a classic battery failure in the Roomba discovery series. There are sensors inside the battery pack that go bad too. Either way...it's not very practical to repair the battery....the best shot you have would be to order a replacement battery. You just pop the old one out and then put the new one in.
They are available from iRobot for $69 at this link: http://store.irobot.com/product/index.jsp?productId=2799714&cp=2804606.3358509&ab=CMS_AccSuper_Roomba400_102308&parentPage=family
There are sources of less expensive (about $35) Genuine iRobot quality batteries also. You could try www.RoboticVacParts.com at this link: http://cgi.ebay.com/OEM-iRobot-APS-battery-Roomba-400-4XXX-Discovery_W0QQitemZ270412120603QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item3ef5d1821b&_trksid=p4634.c0.m14.l1262&_trkparms=|301%3A1|293%3A1|294%3A30
Posted on Jun 23, 2009
SOURCE: red flashing light with 6 beeps
It means you need to clean the sensors. I have had this problem every now and then. There are 4 plastic clear sensors that you can clearly see when you put roomba upside down.
I have found the best and most effective way to clean them is with a dust wipe. You push the dust wipe in with a cotton swab or even a pen, and rub it around the face of the sensors cleaning the dust off, and it will work fine again.
The reason you need to use a dust wipe like a Swiffer brand is that it is very effective and will pick up all the dust. You may not see the dust and you will keep getting that red flashing error though the sensor may look clean to you.
I just had that problem, and after I used the dust cloth, it's working fine again. Good luck.
Posted on Jan 15, 2010
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