Having problems with your iRobot Roomba 4210 Bagless Robotic Vacuum ?

Battery starts to charge (pulses red) for a half

\015 Roomba 4210 battery starts to charge (pulses red) for a half hour or so then stops. Happens whether plugged into home base or directly.\015

Answers :

It is time for a battery replacement.
Repair Help & Product Troubleshooting for iRobot Roomba 4210 Bagless Robotic Vacuum

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Battery starts to charge (pulses red) for a half


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After charging overnight, Roomba only runs about 25 minutes before shutting down with a red light.At this point the battery measures 15.13 volts ( about 1.26 volts per cell ) My hobby experience is that a ni/cad or ni/mh battery nominal charged voltage is about 1.2 volts per cell, and that the recommended end point voltage should be about 1.0 volts per cell. Seems like the battery is ok, butsome kind of voltage regulator is shutting things down prematurely. Is this happening, and , if so, how ca


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The best thing that you can do is take the charger into somewhere that can test it for the proper output voltage. It should be somewhere very close to 22 volts with no fluctuation. The charger is the easiest thing to test in this case. ... iRobot Roomba 4210 Bagless Robotic Vacuum

The battery charger flashes red when the battery is inserted for a charge - does this mean the battery is no good? If so, where can I purchase a new battery and at what cost? Thanks in advance.


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Irobot discovery Hi, My irobot discovery charges fine, shows green (fully charged), starts running and flashes amber, then finally after about ten minutes stops and shows sold red.


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It starts very briefly and then the red light flashes. It stops as if there's a problem. It is all clean and fully charged. WE were wondering whether it wasn't charging properly, just an idea. We don't know.


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