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If it is necessary to better describe a root cause or a possible root cause, we can use the 5 whys tool to deepen the analysis.
Access the occurrence that needs more information to register the root cause or possible root cause.

Access the occurrence that we will classify the cause, this detail can be done during the analysis of the cause .
After accessing the case, click  .

The screen will be displayed with the information of the root cause and possible root causes, click on the context menu of the cause that will be classified to display the options menu.

We can delve into the possible root cause too!

Click the Deepen cause option and select the Diagram 5 why option.

The window for inserting the tool will be displayed.

See how to use the 5 whys diagram.