Frequently Asked Question
Warning Triangles on SCADA Screen - Comms Errors - Siemens Installed Systems
Last Updated 6 years ago
Warning triangles on individual items on SCADA Screen. (as example below)

Check the following:-
Check the following:-
- Check if all screens show the same error - If so see FAQ on SCADA Server Stopped.
- Check that associated PLC is in "Run" Mode.
- Open screen and check that network cable is attached to screen.
- Check network switch within the screen panel is operational.
If all above are correct, contact S4 Engineering Support.