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?

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
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WHY
WHAT

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
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HOW
HOW

Resolution Map Methodology
Problem
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HOW
HOW
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WHAT
WHY
Why did the problem happen?
What caused the problem?
How can we solve it?