Having problems with your iRobot Roomba 4210 Bagless Robotic Vacuum ?

Front wheel problem

\015 Hi! My roomba 4210 front wheel is having problems with the rotation sensor. I tested it and does'nt switch 0 to 1. I made all the diagnostic tests. Left wheel running alone (separately) fine, also the right wheel, the side brush, the vacuum and all the sensors (bumper and the others) exept the front wheel rotation sensor. But, the big brush just make a pulse (start's and stop really quick with no 360 degre turns) and roomba turns off. Also, when the two traction wheel test is selected it only make a pulse and roomba stops again. If I want to stop the diagnostic tests with the power button it flash red quickly until the battery is removed. No sounds from my speaker. I took apart my roomba and cleaned everything (sensors, brush,electronic) but only with compressed air and paper towels.Nothing changed. Could the front wheel rotation sensor cause all these problems?? I also changed the mainboard for a other working one and now the side brush is the only motor working and all sensors (the front wheel sensor is not changed yet). I unpluged and tested the big brush motor with a 9V battery and turns fine. Please help me cause I'm out of ideas. Thanks a lot!!\015

Answers :

I would send it to protechrobotics. they will test all your components and let you know what needs to be done. if the repair is more than it's worth--they will help you out too.

http://www.protechrobotics.com/
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