Perform a root cause analysis > Perform a root cause analysis by using the Ishikawa methodology
Add the cause groups to organize the potential causes
In the Overview tab and the Methodology tab of an Ishikawa, you can add existing unused cause groups or create new cause groups.
Procedure
- From Launcher, click Changes .
If this option is unavailable, search for it. You can pin it from the search results for future access.
From the CHANGES folder, select and open the Problem Solving process that you want to edit.
Click the Root Cause Analysis work mode.
In the left pane of the Root Cause Analysis work mode, select the Ishikawa where you want to add the cause groups.
To add cause groups from the Overview tab in the right pane, do the following:
Choose More Commands > Edit > Summary .
In the Cause Group box, select the required cause groups from the existing cause groups that have not been used.
To add a new cause group, type its name in the Cause Group box.
Siemens Industry Software Inc. recommends that you do not use the following characters to avoid errors:
Single quotation mark (')
Double quotation mark (“)
Slash (/)
Backslash ()
Colon (:)
Less than (<)
Greater than (>)
Vertical bar (|)
Tilde (~)
Back tic (`)
To rearrange the cause groups, do the following:
Choose More > Reorder.
Select a cause group and click Move Up or Move Down .
Click Remove to remove a selected cause group.
After you complete rearranging the cause groups, click Done.
Choose More Commands > Edit > Save Edits .
- To add cause groups from the Methodology tab, do the following:
Select the Ishikawa in the left pane, and click the Methodology tab in the right pane.
Click Cause group in the work area toolbar.
In the Cause Group box, select the required existing unused cause groups.
To add a new cause group, type its name in the Cause Group box.
Siemens Industry Software Inc. recommends that you do not use the following characters to avoid errors:
Single quotation mark (')
Double quotation mark (“)
Slash (/)
Backslash ()
Colon (:)
Less than (<)
Greater than (>)
Vertical bar (|)
Tilde (~)
Back tic (`)
To rearrange the cause groups, do the following:
Choose More > Reorder.
Select a cause group and click Move Up or Move Down .
Click Remove to remove a selected cause group.
After you complete rearranging the cause groups, click Done.
Click Save.
Source: https://docs.sw.siemens.com/en-US/doc/282219420/PL20251212545240207.problem_solving/xid1855297 · retrieved 2026-07-11