Mitsubishi Electric MELFA CR750 Series Instruction Manual page 29

(1) Factory default password
The factory default password is "MELFASafetyPSWD". Unless the password is changed, error L7378
(Change password) occurs when a parameter change is attempted for a parameter related to the safety
monitoring function, and the parameter cannot be changed.
(2) Password change
The password is changed on the RT ToolBox2 editing screen for parameters related to the safety monitoring
function.
The editing screen for parameters related to the safety monitoring function is displayed by selecting
[Online]→[Parameter]→[Movement parameter]→[Safety] of the workspace.
(If the robot is not compatible with the safety monitoring function, [Safety] is not displayed on the [Movement
parameter] tree and the editing screen for parameters related to the safety monitoring function cannot be
displayed.)
Press the [Change password] button on the bottom of the editing screen for parameters related to the safety
monitoring function to display [Register/Change Password]. Enter new and old passwords and change the
password.
4 Safety monitoring function
Startup 4-17