How to Fix Ground Sensor Issue of A9s

ProblemMachine moves few steps and then stops, considering there is an edge.

ReasonWhile moving machine manual through hand from 1 location to other location, the underneath sensors get hand print or dirt Robotic Cleaner, take that as dark area and move back.

Solution:- Please follow the below steps:

  1.  Please Turn off the Machine and put it upside down
  2.  Take a dry cloth and clean all sensors, as shown below in video.
  3.  Turn back the machine and start. It will work.
  4.  Start the machine and it will work. 
Play below video, for step by step instructions: