FMEA - Should a severity of 9 or 10 be always followed by recommended actions?

luciano

Involved - Posts
#1
Dear friends,
In our FMEA cross functional team we had a strongly debate. Until now our guidance book was FMEA Manual according to GM, Ford and Chrysler.
As a team we are new and some of us have different opinions about FMEA philosophy. For instance 2 issues:
1. According to FMEA Manual if ranking severity with 9 or 10, Recommended Actions should be the next step. Objection to this is point was: This rule is specific just for Ford, GM, and Chrysler. If I chose internally others rules this should be OK. Personally I not agree with this point of view. My suggestion was that if customer requires others rules in relation with him I will apply those rules, but if are not specific rules relate to customer, it’s better to apply a well proofed tool which is the Ford FMEA Manual.

Am I wrong?
Do you know other FMEA Manual with different rules according to “Recommended Actions” if Severity is 9 or 10?

2. If severity is 9 or 10 but occurrence is 2 because my process have been designed with poka-yoke are “Recommended actions” necessary ?

Tank you very much for your help and may God bless you.
 
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Jim Wynne

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#2
Re: Should be always severity 9 or 10 followed by recommended actions?

Dear friends,
In our FMEA cross functional team we had a strongly debate. Until now our guidance book was FMEA Manual according to GM, Ford and Chrysler.
As a team we are new and some of us have different opinions about FMEA philosophy. For instance 2 issues:
1. According to FMEA Manual if ranking severity with 9 or 10, Recommended Actions should be the next step. Objection to this is point was: This rule is specific just for Ford, GM, and Chrysler. If I chose internally others rules this should be OK. Personally I not agree with this point of view. My suggestion was that if customer requires others rules in relation with him I will apply those rules, but if are not specific rules relate to customer, it’s better to apply a well proofed tool which is the Ford FMEA Manual.

Am I wrong?
Do you know other FMEA Manual with different rules according to “Recommended Actions” if Severity is 9 or 10?

2. If severity is 9 or 10 but occurrence is 2 because my process have been designed with poka-yoke are “Recommended actions” necessary ?

Tank you very much for your help and may God bless you.
Actions are required when such actions are reasonable. What's required for high-severity potential failure modes is thoughtful review and reasonable mitigation. If you can justify having no recommended (and completed) actions for a high-severity item, then it shouldn't be an issue.
 
A

ashwaniraina82

#3
Re: FMEA - Should be always severity 9 or 10 followed by recommended actions?

Hello

I think you need to understand the pitfalls of the conventional FMEA.
It doesnot give any guidelines for corrective action & further recomendations. Thats why the FMEA team is always in trouble regarding this.

No doubt conventionally PARETO charts are employed for RPN but they are still not effective.


I recommend " Expanded FMEA" theory that overcomes pitfalls of conventional FMEA simply by introducing a graphical technique ( similar to Scree plot)


I hope u have got ur answer.

Rest incase u need the trg. material of " EFMEA" i can send u also.


Dear friends,
In our FMEA cross functional team we had a strongly debate. Until now our guidance book was FMEA Manual according to GM, Ford and Chrysler.
As a team we are new and some of us have different opinions about FMEA philosophy. For instance 2 issues:
1. According to FMEA Manual if ranking severity with 9 or 10, Recommended Actions should be the next step. Objection to this is point was: This rule is specific just for Ford, GM, and Chrysler. If I chose internally others rules this should be OK. Personally I not agree with this point of view. My suggestion was that if customer requires others rules in relation with him I will apply those rules, but if are not specific rules relate to customer, it’s better to apply a well proofed tool which is the Ford FMEA Manual.

Am I wrong?
Do you know other FMEA Manual with different rules according to “Recommended Actions” if Severity is 9 or 10?

2. If severity is 9 or 10 but occurrence is 2 because my process have been designed with poka-yoke are “Recommended actions” necessary ?

Tank you very much for your help and may God bless you.
 
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