Programming manual M238 | 3 MB - BERGER - POSITEC

Modicon M238 Logic Controller - Troubleshooting and FAQ
Application program is not executed
Possible causes:
No POU declared in the task.
Resolution:
As POUs are managed by tasks, you must add at least one POU to a task:
1. double click a task in the Devices window,
2. click Add POU in the task window,
3. select the POU you want to execute in the Input Assistant window and click OK.
Possible causes:
Application does not go to RUN state.
One input is configured in RUN/STOP mode.
Resolution:
Use the input configured in RUN/STOP mode to run the application.
CoDeSys Gateway does not start (CoDeSys Gateway SysTray icon is black)
Possible cause:
Connection during a long time.
Resolution:
If the CoDeSys Gateway SysTray icon is black (stopped):
1. Open the task Manager,
2. stop the Gatewayservice.exe, and start it again:
Restart your computer or,
in Control Panel, open Administrative Tools and Computer Management,
in Service, double click CoDeSys Gateway,
Click Start Service button.
3. Check if the CoDeSys Gateway SysTray icon is red (running).
Serial Line Communication is not Possible
Possible causes:
Communication settings are not identical between serial line devices.
The controller is not operating correctly.
EIO0000000384 04/2012 199