Omron SYSMAC W398-E1-1, Operation Manual

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Troubleshooting Section 10-2
10-2 Troubleshooting
The following flowcharts shows the error messages that may occur during CX-
Position operation, along with the causes and remedies for each.
Troubleshooting the The communication error occurred Online Error Message
Error message: The communication
error occurred.
Is monitoring
possible?
Is data being
written to NC Unit from
ladder program?
Confirm that data is actually being written
to NC Unit from ladder program.
Are the cables
connected between the
computer and the PC?
Is the power supply
to the PC turned ON?
Create the I/O tables from either the CX-
Programmer or from a Programming Console.
Start FinsGateway, set the communications settings, and start the
FinsGateway SerialUnit service (SeeSECTION 6.)
Note: At FinsGateway startup, there must be no communications
running on OMRON Support Software (CX-Programmer, CX-
Protocol, CX-Motion, etc.) using CX-Server.
Turn ON the PC’s power supply.
• Check that there are no miss-
ing cables or broken connec-
tions.
• Check that COM port number
at the computer is the same as
the FinsGateway port number.
Check for problems in the
written data.
Yes
No
Yes
No
No
Yes
No
No
No
(Continued on next page)
Yes
Yes
Yes
Is the FinsGateway
SerialUnit service ON?
Were the I/O tables
created after installing
the NC Unit?