(1)Refer to the safety precautions for Hi4a controller maintenance and repair.
(2)Perform your maintenance and repair for the robot system and manipulator, following the indicated procedures.
(3)Be sure to disconnect the primary power of controller. Post the warning sign [Do not input power] up the primary power to prevent other workers from connecting the power.
(4)Make sure that the Arm is fixed and immovable before maintenance and repair since dropping or moving of the robot's Arm may cause a danger during maintenance and repair. (Refer to the 『Robot manipulator maintenance manual』.)