Mitsubishi CR750 Series Instruction Manual page 5

Do not perform unauthorized modifications or use maintenance parts other than those
Caution
stipulated. Failure to observe this may result in breakdown or malfunction.
If moving the robot arm by hand from outside the enclosure, never insert hands or
Warning
fingers in openings. Depending on the robot posture, hands or fingers may become
jammed.
Do not stop the robot or engage the emergency stop by turning OFF the robot controller
main power.
Caution
Robot accuracy may be adversely affected if the robot controller main power is turned
OFF during auto operation. Furthermore, the robot arm may collide with surrounding
equipment if it falls or moves under its own inertia.
When rewriting internal robot controller information such as programs or parameters, do
not turn OFF the robot controller main power.
Caution
If the robot controller main power is turned OFF while rewriting programs or parameters
during auto operation, the internal robot controller information may be destroyed.
Horizontal multi-joint robots
The hand may drop under its own weight while the robot brake release switch is
Warning
pressed, and therefore due care should be taken. Failure to observe this may result in
collision between the hand and surrounding equipment, or hands or fingers becoming
jammed if the hand falls.
Attach the cap to the SSCNET III connector after disconnecting the SSCNET III cable.
Caution
If the cap is not attached, dirt or dust may adhere to the connector pins, resulting in
deterioration connector properties, leading to malfunction.
Do not look directly at light emitted from the tip of SSCNET III connectors or SSCNET
Caution
III cables. Eye discomfort may be felt if exposed to the light. (SSCNET III employs a
Class 1 or equivalent light source as specified in JISC6802 and IEC60825-1.)