|Tuff-Bot will not operate||Ensure that the power switch is pressed and the battery is sufficiently charged|
|Tuff-Bot will not move as expected||Check that the ground is suitable and the wheels are free from dirt|
|Sound is not audible||Ensure that the sound button is pressed and the battery is sufficiently charged|
|Lights come on but there is no movement||Recharge by plugging in the USB cable|
|Tuff-Bot is working intermittently||Switch Tuff-Bot off and then on again to reset it|
|Tuff-Bot is not avoiding obstacles||Press the Obstacle Avoidance button. †|
‘†’ The Avoidance button should illuminate green when active. Ensure that the obstacle is high enough to trigger the sensor. Small objects may not be seen by the sensor.