Mitsubishi MELSEC-Q Series User Manual page 746

18
TROUBLESHOOTING
Index
Failed to allocate memory.
Failed to change IP address settings of C Controller module.
Check the power supply, cables, and network settings of the
connection target and retry the setting change.
Failed to change MD function settings of C Controller module.
Check the power supply, cables, and network settings of the
connection target and retry the setting change.
Failed to change option setting of C Controller module.
Check the power supply, cables, and network settings of the
connection target and retry the setting change.
Failed to clear parameters.
The probable causes are:
• The standard ROM has been shutdown.
• There is a problem in the hardware.
Failed to delete the log file data.
Failed to initialize communications.
Check computer network settings.
Failed to obtain the module configuration information due to a
WDT error on C Controller module.
Check the target C Controller module.
[F]
Failed to open Help file.
Failed to open the specified file.
Failed to read data from the buffer memory.
Failed to read parameters.
The probable causes are:
• Parameters have not been set.
• There is a problem in the hardware.
Failed to read the event log file.
Check the power supply, cables, and network settings of the
connection target and update it again.
Failed to read the input data (X).
Failed to read the output data (Y).
Failed to read the version information.
Failed to save SRAM data.
18
- 65 18.4 Error Code and Error Message Lists
18.4.3 Actions by error messages
Table18.21 Error messages on C Controller setting utility (Continued)
Error message Corrective action
Check if there is sufficient free space in the memory.
• Check if the target C Controller module is operating.
• Check if the Ethernet cable is connected.
• Check if the specified IP address or host name is correct.
• Check if modules are operating normally.
• Check if the target C Controller module is operating.
• Check if the Ethernet cable is connected.
• Check if the specified IP address or host name is correct.
• Check if modules are operating normally.
• Check if the target C Controller module is operating.
• Check if the Ethernet cable is connected.
• Check if the specified IP address or host name is correct.
• Check if modules are operating normally.
Check if the standard ROM has been shut down (MODE LED is
flashing green). If it has been shut down, restart the C Controller
module, and then write the parameters again.
Check the C Controller module for a hardware fault.
• Check if the target C Controller module is operating.
• Check if the Ethernet cable is connected.
• Check if the specified IP address or host name is correct.
• Check if the modules are operating normally.
Make the network setting of the development environment
(personal computer).
( Section 5.6)
Check if a watchdog timer error (system/user) has occurred in
the C Controller module or not.
Since installation of SW PVC-CCPU may have failed, reinstall
it.
Check the specified file.
Set the total of the saving location and file names using 128
characters or less.
• Check if an intelligent function module is mounted to the
specified slot.
• Check if the intelligent function module in the specified slot is
normal.
• Check if the C Controller module is operating normally.
Write parameters.
Check the C Controller module for a hardware fault.
• Check if the target C Controller module is operating.
• Check if the Ethernet cable is connected.
• Check if the specified IP address or host name is correct.
• Check if modules are operating normally.
Check if the I/O assignment set by parameters is consistent with
the actual mounting status.
Check if the I/O assignment set by parameters is consistent with
the actual mounting status.
Since installation of SW PVC-CCPU may have failed, reinstall
it.
• Check the free space of the destination to save.
• Check the media of the destination to save.
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