Why does not my vacuum robot work?
Your vacuum robot could not be working because it ran out of battery. Leave it charging for 8 hours. Rumbot® will emit some beeps and will switch on a light to indicate it is charging.
Do I have to take any measure so that the robot does not crash into the furniture or falls down the stairs?
The vacuum robot has plenty of sensors everywhere that indicate near obstacles, also mobile ones such as your own feet or your pets. It also has a padded bumper in its front part to avoid suffering damages in case of collision agasint a mobile obstacle. The robot could throw vases or other objetcs which, due to their shape, material or reduced dimensions, could go unnoticed to Rumbot® It is advisable to take them from the floor when the robot is working.
How does the shield work?
The shield is a device fed by two D 1.5V batteries (not included) that emits a signal which will repeal the robot. Put it in the middle of a corridor or in a threshold and the robot will know it does not have to go beyond that limit.