Mitsubishi CR800 Series Instruction Manual page 68

1Error list
Error No.
L7370 Error message The password is 8 to 32 char.
Cause
Measures
L7371 Error message Only alphanumeric character
Cause
Measures
L7372 Error message The password is unmatch
Cause
Measures
L7373 Error message Password lock to the programs
Cause
Measures
L7374 Error message Password lock to the parameter
Cause
Measures
L7375 Error message Password lock to the files
Cause
Measures
L7378 Error message Change password
Cause
Measures
C7450 Error message No battery voltage (robot CPU)
Cause
Measures
C7451 Error message Battery voltage low (robot CPU)
Cause
Measures
C7500 Error message No battery voltage (robot)
Cause
Measures
C7510 Error message Battery voltage low (robot)
Cause
Measures
C753n Error message Replenishment time of grease
(n indicates the
Cause
axis number (1
to 6).) Measures
C754n Error message Exchange time of the belt
(n indicates the
Cause
axis number (1
to 6).) Measures
1-59
Error no. L7370
The password is 8 to 32 characters
Please input the password 8 to 32 characters
It input it excluding the alphanumeric character
Please input the password in the alphanumeric character
The password is unmatch
Please input the password again
Password lock to the programs
Please release password
Password lock to the parameter
Please release password
Password lock to the files
Please release password
The password has not been changed from the initial value.
The password to change functional safety related parameters has not been changed from the initial value.
Change the password to new one, and perform parameter setting. The factory default password is "MEL -
FASafetyPSWD".
The battery is spent.
The battery voltage of the robot CPU dropped to 2.5V or less.
Replace the battery, and then restore the robot program and parameters.
For more information about the replacement procedure, refer to the separate volumes, "Controller setup,
basic operation, and maintenance".
The battery will be spent soon.
The battery voltage of the robot CPU dropped to 2.7V or less.
Back up the robot program and the parameters, and replace the battery immediately. Otherwise, they may
be lost due to low voltage.
For more information about the replacement procedure, refer to the separate volumes, "Controller setup,
basic operation, and maintenance".
The battery is spent.
Replace the battery and set the origin. For more information about the replacement procedure, refer to the
separate volumes, "Instruction Manual/Robot Arm Setup to Maintenance".
The battery will be spent soon.
Replace the battery. For more information about the replacement procedure, refer to the separate volumes,
"Instruction Manual/Robot Arm Setup to Maintenance".
It seems that grease reached longevity
Replenish grease
It seems that the belt reached longevity
Execute the check and the exchange of the belt
Error cause and measures