18 - 5
18.2 List of Error Message/System Alarm
357
Error in specified PLC drive.
Confirm PLC drive.
When executing the recipe function specifying the file register name, error
occurred in PLC CPU drive.
1. Execute the recipe function again after confirming the specified PLC
CPU drive.
2. Execute the recipe function again after formatting the PC memory in the
specified PLC CPU drive with GX Developer.
358
PLC file access failure.
Confirm PLC drive.
When the recipe function is executed specifying the file register name,
PLC CPU file register could not be accessed.
Execute the recipe function again after confirming the specified PLC CPU
drive / file register name. (When you specify drive 0, execute the recipe
function again after changing to other drives.)
359
Processing from another
peripheral device.
Execute it after.
When the recipe function is executed specifying the file register name,
other peripherals carry out the process to the file register.
Wait until the processing of other peripherals end, and execute the recipe
function again.
360
0 divisor division error.
Confirm operation expression.
Division 0 was generated by the data operational expression.
Review the data operational expression so that the divisor should not
become 0.
370
Upper and lower limit value error.
Confirm value setting.
The setting of lower/upper limit value is [Upper limit < Lower limit].
Correct the setting so as to be "Upper limit Lower limit".
402
Communication timeout.
Confirm communication pathway
or modules.
The time-out error occurred during communication.
1. Confirm the cable omission and PLC status.
2. Put COM instruction when A, QnA or QCPU is connected and the PLC
scanning is long.
403
SIO status error.
Confirm communication pathway
or modules.
Either of the overrun error, parity bit error or flaming error was generated
when the RS-422 / RS-232 communication was received.
Confirm the cable omission, status of the PLC, and the transmission
speed of the computer link.
406
Specified station access is out of
range.
Confirm station no.
1. Station numbers other than master/local station are specified at the CC-
Link connection (via G4).
2. Accessed PLC CPUs other than QCPU.
Confirm the station number of the monitor screen data.
410
Cannot perform operation
because of PLC run mode.
stop the PLC.
The operation, which could not be performed during RUN of PLC CPU,
was performed.
Stop the PLC CPU.
411
Memory cassette is write-
protected.
Check the memory cassette.
The memory cassette installed in PLC CPU is in the state protected with
EPROM or E
2
PROM.
Confirm the memory cassette installed in PLC CPU.
412
Cannot read/write device
protected by keyword.
Remove key word.
The key word is set in PLC CPU.
Cancel the key word.
448
PLC cannot handle as requested.
Correct devices.
The file register of QnACPU and the device beyond the outside range of
buffer memory was specified.
Correct the monitor device by setting file register of PLC CPU.
Error
code
Error message
Action
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