In Workbench, you can expand the FDDWorX branch to show the Fault Diagnostic Model, as shown below:
Fault Diagnostic Models Node in FDDWorX Provider
In this node, you can:
Create Diagnostic Model Folders and Add Diagnostic Models to them.
In a diagnostic model, you can Add Causes.
Then you can Add Symptoms for each cause.
Then you can Enter Numbered Instances/Percentages for each symptom.
See also:
Fault Symptoms/Causes Diagnostics Matrix