When the tree suggests a possible root cause (e.g., “Labeling/Presentation”), open the Dictionary PDF . Read the definition and examples for “Labeling Inadequate.” Does it fit your case? If not, move to “Feedback” or “Placement.”
Once the Dictionary confirms the root cause (e.g., “Inadequate Maintenance Procedure”), you design a fix that targets that specific cause. General fixes like “Retrain everyone” are not allowed; the fix must be specific (e.g., “Rewrite Procedure #102 to include torque specs”). taproot root cause tree dictionary pdf
Open your visual tree (poster or PDF copy). For a given Causal Factor (e.g., “Operator pushed wrong button”), walk down the tree branches. When the tree suggests a possible root cause (e
The Dictionary includes a Verification Question for each cause. You are not done until the answer is “Yes” to this question. “Inadequate Maintenance Procedure”)