Tags: how to fix robot vacuum not working. Eufy anker robot vacuum vacuum iRobot error beeping roller brush cleaning clean
L35 hybrid g20 x8 g30 11s max 15c max h30 g20 edge g30 g40 g50 15c max 15c 30c 30 g20
How to fix 4 beep / roller brush stuck error on ALL eufy robovac models
Often there are hairs wound up there.
You can degrease as long as you want, these will not be removed this way.
You have to remove these by using a tweezer and you need a lot of time and patience 
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