16.2 FX List Editor (GT2104-R only)
16 - 39
GOT SELF CHECK (DEBUG)
16
16.2.19 Error messages and corrective actions
This section describes the error messages displayed when the MELSEC-FX list editor is executed, and corrective action.
POINT
POINT
How to erase an error message
An error message is not erased even if the cause of the error is eliminated.
To erase an error message, touch a key on the MELSEC-FX list editor screen.
Error message Description Corrective action
Can not display while protected.
The all-operation protect, anti-
plagiarism, or incorrect write protect
keyword is set.
• Check the protected operation.
• Clear the keyword protection or delete the keyword.
âž 16.2.16 Keyword
Can not operate while protected.
PLC parameter error. An FX PLC parameter is defective. Set correct parameters in the FX PLC.
PLC communications error.
The communication with the FX PLC
is defective.
• Check the FX PLC, cable, and GOT for abnormality.
• Check whether the communication settings are correct
or not.
PLC is running.
A writing operation etc. has been
made while the FX PLC is running.
Stop the FX PLC.
Can not write.
• The memory to write to is EPROM.
• The protect switch of the EEPROM
is on.
• Set other than EPROM for the memory to write to.
• Switch off the protect switch of the EEPROM.
Step number is out of a range.
The specified step number exceeded
the maximum number.
Specify a step number below the maximum value.
Not found.
The specified command cannot be
found.
Proceed to the next operation.
Not found. The specified device cannot be found. Proceed to the next operation.
Step overflow.
The program may exceed the
available space.
(Writing is not executed.)
Check the program memory space and delete commands
to keep it within the space.
âž 16.2.12 Deleting commands
Command error.
An invalid command (non-existent
command) was specified.
Input the correct command.
Protected by a block password.
The sequence program is protected by
a block password at the PLC reading.
Release the block password for the sequence program.
To Next Page
Loading...
Need help?
General
