(1) Robot joint 1 has been moved into the hardware brake track area which causes high power to be turned off and prevents the robot from moving. (2) The robot base has become overheated. (1) Push the brake release button at the robot base and move the joints back into the normal working range. Turn on high power and continue program execution. (2) Check the fan filter on the robot base and check the ambient temperature of the robot. Allow the robot to cool down turn on high power and continue program execution.