My irobot has a full battery charge but still moves slowly and is making a funny motor sound. I have totally cleaned out all the brushes...they are so clean they look new. I've taken the battery out and put it back, emptied the filters, etc. It moves slowly and eventually whirrs to a stop. The battery light is green. Any suggestions?
Try running th roomba with the dust bin removed to see if the main brush is turning, if not it could be an issue with the gears being stripped in the brush motor assembly or inside the brush compartment holder. If the gears are fine the brush motor itself may be blown. A new one is about $30.00.
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Yes, sounds like you need a new battery, they cost about$70 for an IRobot one or you can get them cheaper - do a Google search iRobot Robots That Make Difference
even if the 2 brush rollers are clean you need to pull the small yellow ends of the roller off [the funny lookin ones].hair ect. get jamed in there .use a knife or small screw driver to pull the build up out.hope this helps
You have dead nimh (nickle metal hydride) batteries You
will need a replacement. You can test for this by removing the battery
and holding the power button for 15 seconds. This will restart the
charging cycle as if the battery were new.
The charging circuit on the main board is fried. This is a common issue. You need some good electronic repair skills, and equipment, to replace the problem components
Reset the Roomba: hold down "spot" and "dock/demo" for fifteen seconds, then release and listen for the tune. Then charge the Roomba overnight. The next time you run it, the unit should run longer. If not, call support and let them know you may have a battery problem. 1-877-855-8593 (I strongly encourage you to have the Roomba with you if you call.)
Remove the battery, hold down the POWER button for ten seconds, then put the battery back in and charge overnight. If it still tells you it's out of power as soon as you start it, it's time for a new battery. http://store.irobot.com
cor2an, 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
it has a new replacement battery and won't stay on for more than one minute
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