Mitsubishi Electric MELFA CR750 Series User Manual page 5

Never on your own judgment make an alterations or use maintenance parts other than
Caution
those designated. Doing so can cause breakdown and problems.
When moving the robot arm from the outside, never stick a hand or finger into an
Warning
opening. Depending on the posture, the hand or finger could get caught in the
equipment.
Do not switch the robot Off or make an emergency stop of the robot by switching Off
Caution
the robot controller's main power supply.
If the robot controller's main power supply is switched Off during automatic operation,
this can reduce the robot's precision. It could also cause the arm to fall or allow inertia
to result in collisions with peripheral device or the like.
When rewriting a program, parameters, or other internal information within the robot's
Caution
controller, do not switch Off the robot controller's main power supply.
If the robot controller's main power supply is switched Off during automatic operation
or while a program or parameter is being rewritten, there is a danger of the internal
information in the robot controller being destroyed.
For using RH-5AH/10AH/15AH series or RH-6SH/12SH/18SH series.
Warning
While pressing the brake releasing switch on the robot arm, beware of the arm which
may drop with its own weight.
Dropping of the hand could lead to a collision with the peripheral equipment or catch
the hands or fingers.