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Root Cause Analysis.pptx
- 1. 5 Steps Methodology WHAT What happened? Describe in your words and in detail (When, Who, Where, How…) What are the symptoms before the problem happens? WAS Was anything palliative done to contain the problem? HAS Has any change been made? Has the problem happened before? BEFORE AFTER Before the problem happened, was there any anomaly before or after the process flowchart? After the problem happened, can it affect other equipment or area which need to be investigated?
- 2. What Why Diagram The what-what diagram can be represented in a tree format ► Multiple causes can be given to one question WHAT A problem-solving tool that is used to discover what was the cause for the problem when there are multiple factors to consider. WHEN To identify the potential causes of a problem In order to solve it. To identify the potential causes that may lead to future problems. WHY Provides useful information for later problem-solving analyses. Similar to FTA Analysis and Why Why Diagram HOW Problem /// /// /// /// /// /// /// /// /// /// /// /// /// WHY WHAT
- 3. How How Diagram The how-how diagram can be represented in a ► tree format (Multiple answers can be given to one question) WHAT A simple method that 1s used to generate multiple ideas to solve a particular problem WHEN In problem solving when seeking a practical solution to solve a problem WHY Provides an effective structure for organizing possible ideas and solution options all in one place HOW Problem /// /// /// /// /// /// /// /// /// /// /// /// /// HOW HOW
- 4. Resolution Map Methodology Problem /// /// /// /// /// /// /// /// /// /// /// /// /// HOW HOW /// /// /// /// /// /// /// /// /// /// /// /// /// WHAT WHY Why did the problem happen? What caused the problem? How can we solve it?