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The Roomba Red 4100 is a vacuum cleaner robot produced by iRobot that can clean a room all on its own.

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will not turn on

charges, turns green,but will not turn and run

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your solution did not work. I am reading up on performing diagnostic tests, thank you

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with all the negative comments about the roomba i can honestly say it suckssss. went out on the market without any real testing done to it , its good at vacuuming your money out of your wallet.

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Also bought a new battery and charged it via the AC connection as well as the dock. Still gives 4 tone signal but light turns green quickly

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I have a response to this, but this website won't let me post my answer with my pics...but apparently this comment will post

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Norma Spreeman, start off by resetting your Roomba

1) Turn Roomba over on its back

2) remove battery

3) turn Roomba back over

4) press and hold power button for 5 seconds (no lights will)

5) Turn Roomba over on its back

6) Reinstall battery

7) Allow Roomba to recharge for 16 hours uninterrupted (even if power lights indicate it's charged sooner)

The service manual is available here. Here is a great site that will show you how to perform diagnostic tests on your Roomba. Hope this helps. Good Luck.

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thanks it worked roomba is 2 week old only but glad not need to send it back to amazon

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did not work

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So you tried the above things and it has not worked? What did the diagnostics show you? What else have you tried? After all, it has been almost a year that you visited this question.....

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Can you please post a working link to the maintenance manual and troubleshooting pages? The links above don't work.

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I started having this issue with my Roomba 4130. Old battery would showing blinking red light, then green when done. But when I unplugged it, and hit the power button, nothing would happen. Bought a brand new battery, same thing. Finally took a voltmeter to the battery connect terminals on the Roomba (battery removed), connected the wall charger directly to the unit, and the voltage was only 5V. Obviously, this will not charge a 14.4V battery. After some research on the internet, I found a website (not this one) that recommended directly wiring the wall charger tot he battery (this is discussed in another post about 4100 Roomba’s on this site (see pic). Low and behold, it charged! And the Roomba works. From the earlier mentioned website, the author mentioned that it is possible the charging circuits inside the Roomba may have degraded/failed, preventing the Roomba from being able to supply the correct voltage to charge the battery. Roomba will not service this. But curious if anyone here or from ifixit has tried to fix this.

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I followed your pics and wired mine the same and it worked!! Do you know how long I should charge it for?

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I looked up a variety of solutions, and noticed many people bought an external charger and it worked fine.

I placedbtin foil in between the connections of the battery and Roomba.

The lights go on so much more stronger now and it's finally keeping a charge for me to turn it on!

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Norma Spreeman 将永远感激不已
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