Owner manual
LS-Navigator-M-APP-E
A-2
A
1 Error Message List
This section describes information about the displayed error messages that appear when an error occurs.
During data communication
During Excel transfer
During operation
Error message Cause Reference page
Failed to communicate. Communication is not possible when the 
controller is in setting mode.
The controller is in setting mode. Page 1-4
Check whether the PC and controller have 
the same communication settings.
The communication settings are not the 
same on the PC and the controller.
Page 5-12
Check whether the controller D-MODE 
settings are correct.
The controller D-MODE settings are not 
correct.
Page 5-17
No response from the 
controller.
Check the communication settings. The communication settings are not the 
same on the PC and the controller.
Page 5-12
Check whether the cables are connected 
correctly.
The cables are not connected correctly. Page 2-2
This port number is invalid.
Choose another port.
An invalid port is selected. Page 5-12
Process failed to finish correctly.
Restart the application.
When the data transfer process
 fails to 
finish.
Page 4-3
Set the same values for units and 
minimum display unit in the controller 
settings and LS-Navigator settings. 
Settings cannot be transferred if the units 
are not the same.
The units for the controller and the LS-
Navigator are different.
Page 5-5
Set
 the method for switching p
rogram 
settings in “PANEL”.
The setting is not “PANEL”. Page 1-4
This backup file includes the dual head 
mode in the setting contents. Check that 
the connected model is LS-7600.
The backup file includes dual head mode 
in the settings.
Page 5-10
Error message Cause Reference page
Select at least one item to transfer. No items are selected for transfer. Page 5-19
Failed to output to Excel. Excel is being used. Page 5-19
Enter the sheet name to transfer items to. A sheet name for transferring items is not entered. Page 5-19
The following cannot be used in the name: Invalid characters are used in the sheet name. Page 5-19
The cell position is not set correctly. An invalid cell position is select
ed. Page 5-19
The loggi
ng method is not selected correctly. The logging method is not selected correctly. Page 5-19
Set the logging cycle between 1 and 600. The cycle is set in an invalid range.  Page 5-19
No further information can be written. The system is attempting to write in an invalid range for 
Excel.
Page 5-19
Enter up to 31 letters for the sheet name.
On the logging menu, the [Start logging] button was 
pressed when more than 31 letters were entered for the 
sheet name. (Every character is treated the same as one 
letter.)
Page 5-19










