Operator control and monitoring
9.2 Working with the user interface
SIMATIC MV420 / SIMATIC MV440
222 Operating Instructions, 04/2013, A5E02371045-06
Error display
If an error occurs, the STATE/SF LED will turn red and display:
● The corresponding error message
● The meaning of the error
● The options for eliminating the error
Acknowledge the error by clicking the "Acknowledge" button.
Figure 9-43 Error message