1-49
Error no. C7310
1Error list
C7310 Error message Changed variables weren't saved
Cause The power was OFF during program execution.
Measures Don't turn the power OFF during program execution.
L7311 Error message The power was OFF during file saving
Cause The power was OFF during file saving.
Measures Don't turn the power OFF during file saving.
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
L7370 Error message The password is 8 to 32 char.
Cause The password is 8 to 32 characters
Measures Please input the password 8 to 32 characters
L7371 Error message Only alphanumeric character
Cause It input it excluding the alphanumeric character
Measures Please input the password in the alphanumeric character
L7372 Error message The password is unmatch
Cause The password is unmatch
Measures Please input the password again
L7373 Error message Password lock to the programs
Cause Password lock to the programs
Measures Please release password
L7374 Error message Password lock to the parameter
Cause Password lock to the parameter
Measures Please release password
L7375 Error message Password lock to the files
Cause Password lock to the files
Measures Please release password
L7378 Error message Change password
Cause The password has not been changed from the initial value.
Measures 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
“MELFASafetyPSWD”.
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.".
Error No. Error cause and measures
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