5 why 5 công cụ hỗ trợ trong quản lý chất lượng của QA

5 Why Problem Solving Technique 1 5 Why Problem Solving Technique Problem reason Why reason reason reason reason Why Why Why Why COUNTERMEASURE – SOLUTION – 1 2 5 Why Problem Solving Technique Problem reason Why reason reason reason reason Why Why Why Why COUNTERMEASURE – SOLUTION – 2 3 When to use? When you have a situation that is not the way it should be; A Defect There is a problem the cause is unknown; A problem needs to be corrected AND prevented from occurring again, and again, and agai.

5 Why

Problem Solving Technique

Problem:

reason

Why .

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reason

reason

Why

Why

Why

Why

When to use?

• A Defect

• There is a problem & the cause is unknown;

• A problem needs to be corrected AND prevented from occurring again, and again, and

again in the future.

5 Why

Problem Solving Technique

Why use it?

“To do the same thing over and over and expect that the results will change, is insanity” Albert Einstein

5 Why

Problem Solving Technique

Why use it?

GOAL:

1. Correct the immediate problem;

2. Prevent Recurrence;

3. Act on what is within your control; and

4. Meet the organization’s Goals and Objectives

Focus on identifying and implementing Effective Solutions!

5 Why

Problem Solving Technique

How to use it?

CORRECT the Immediate Problem:

• This is the action that will get operations functioning as it should be

PREVENT Recurrence:

• This is taking actions to assure the problem won’t happen again, here or in other areas

• Correcting the reasons the condition exists

5 Why

Problem Solving Technique

But Don’t STOP Here!!

How to use it?

“Within your control” means :

– you and others in the area,

– your value stream support

– value stream manager or

– other plant management support;

– applied in that order !

5 Why

Problem Solving Technique

How to use it?

Start with the Problem you see:

• What isn’t how it should be; the undesired state,

• What you see, hear, or sense that tells you there is a problem?

– Ask WHY to that problem,

– After Answering that Why, ask Why again, and again

Keep Asking Why

5 Why

Problem Solving Technique

Where is it done? Who does it?

The Five “Whys” A Process Of Persistent Questioning Aimed

At Preventing Problems From Recurring

Problem:

Solution:

Consider:

Safety -

Space -

Electrical

-Ergonomics - Why is it necessary?

by this person?

Why

Why

Why

Why

Why

2A RC 5Why Examples

Grease Line

Collectors on Floor

Now use it!

– Keep clearing a jam?  Keep restarting the machine?

– Something in the way?  Something Broken / Worn?

– Have to keep cleaning something / re-adjusting something?

– Don’t know a Why or Know Why but not what to do about it???

5 Why

Problem Solving Technique

Uh-oh!

Now use it!

• Help from the Value Stream / Area Leaders

• They are to Coach you

– Not to do it for you  Not to just take it and fix it

– Not to talk to the Mechanic about it for you

5 Why

Problem Solving Technique

Uh-oh!

Now use it!

• What Wastes are out there?

• What headaches do you fight all the time?

• What prevents you from reaching the hourly goal?

• What frustrates you?

• What can you do about it???

5 Why

Problem Solving Technique

5 Why

Problem Solving Technique

Questions ?

Issues ?

Comments ?

Problem of the Day

5 Why

Problem Solving Technique