The motion interface board has detected an E-STOP condition generated by the RSC in the robot. This error is probably due to low air pressure joint-1 overtravel or motor overheating. A subsequent error message may provide more information. Check for a subsequent message. To determine if there was an unreported RSC error type listr error(task 4) where task is the number of the task that received the error. If no additional information is available check for low air pressure joint 1 overtravel or motor overheating.