Instruction manual
1-28
Error no. L7331
1Error list
L7331 Error message Can't change memory size in RAM mode
Cause Can't change memory size in RAM mode.
Measures Please change to RAM mode and perform again.
L7332 Error message Can't change to RAM mode in CTN mode
Cause Can't change to RAM mode in continue mode.
Measures Please change to RAM mode and perform again.
L7340 Error message Contine function cannot be used in DRAM mode
Cause Contine function cannot be used in DRAM mode
Measures Please change to RAM mode and perform again
L7341 Error message Can't change to DRAM mode in CTN mode
Cause Can't change to DRAM mode in CTN mode
Measures Please change to RAM mode and perform again
L7342 Error message Global extension cannot be used in DRAM mode
Cause Global extension cannot be used in DRAM mode
Measures Please change to RAM mode and perform again
L7343 Error message Can't change to DRAM mode in PRGGBL mode
Cause Can't change to DRAM mode in PRGGBL mode
Measures Please change to RAM mode and perform again
C7410 Error message 1 month inspection is now
Cause Carry out the monthly inspection.
Measures Carry out the 1 month inspection.
C7420 Error message 3 month inspection is now
Cause Carry out the 3 month inspection.
Measures Carry out the 3 month inspection.
C7430 Error message 6 month inspection is now
Cause Carry out the 6 month inspection.
Measures Carry out the 6 month inspection.
C7440 Error message 1 year inspection is now
Cause Carry out the 1 year inspection.
Measures Carry out the 1 year inspection.
C7500 Error message No battery voltage
Cause The battery is spent.
Measures Replace the battery of controller and load the data. For more information about the replacement procedure,
refer to the separate volumes, "Controller setup, basic operation, and maintenance.".
C7510 Error message Battery voltage low (R/C)
Cause The battery will be spent soon.
Measures Replace the battery of controller. For more information about the replacement procedure, refer to the
separate volumes, "Controller setup, basic operation, and maintenance.".
C7530 Error message Replenishment time of grease
Cause It seems that grease reached longevity
Measures Replenish grease
C7540 Error message Exchange time of the belt
Cause It seems that the belt reached longevity
Measures Execute the check and the exchange of the belt
C7520 Error message Battery consumption time is over
Cause The battery will be spent soon.
Measures Replace the batteries of both the robot arm and controller. For more information about the replacement
procedure, refer to the separate volumes, "Instruction Manual/Robot Arm Setup to Maintenance" and
"Controller setup, basic operation, and maintenance."
Error No. Error cause and measures