Siemens SIMATIC S7-1500 Function Manual page 22

10.Double-click the device which displays an alarm message to access the faulty module
directly. This is the CPU in the example.
The device view of the CPU is opened in the work area. In this view you can see directly
in which module the error has occurred.
Figure 3-6 Display of the faulty module in the device view
11.Open the "Diagnostics" tab and the subordinate "Device information" tab in the Inspector
window for a more detailed error description.
Diagnostics
Function Manual, 11/2019, A5E03735838-AF
Quick start
3.2 Using STEP 7
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