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Problem and Failure Codes

Problem and Failure Codes

Problem and Failure Codes

(OP)
Hello All,
My company is in the process of setting up a new CMMS and would like information on the use of codes.  We're particularly interested in the use of Problem and Failure Codes.  Any information that can be provided would be appreciated.
Thank You in Advance.

RE: Problem and Failure Codes

Study your maintenance history for problem and failure codes.

I would start with a relatively short list (8 - 12) of broadly classified codes. Include a "Misc." or "Other" code. If your list is too long people have difficulty picking the correct code.

You will need to review and refine your codes regularly, eliminating or combining underutilized codes and adding new codes.

These codes should be easily available and understandable to the people who request work and to maintenance personnel.

When closing out work orders the original Problem code may have to be corrected. In many cases you will find that the problem was misdiagnosed when the problem was written up.

let me know if this helps,
Donal
flemingtechnical.com

RE: Problem and Failure Codes

Many maintenance management books offer you coding systems: Higgins, Lewitt, Herbaty, Mann, Wilson... You can browse the books and find many solutions.

Some principles are similar everywhere, but after analyzing offered solutions you will have to think about characteristics of your plant and customize the system that fit your needs.

I was involved in development of coding several times at several plants. The symplest system that can be very usefull has three levels: Place of problem (i.e. mechanical-clutch, electrical-power source etc.), type of cause (i.e. deterioration, random malfunction, mechanical fatigue, operator abuse etc.) and type of remedy (replace, repair/refurbish, change settings, modify etc. where you have to avoid generic description like "repair" for everything, "repair" should be used just for reconditioning components/subsystems and putting them back in operation).

You can add non-coded comments to this three-level hierarchy, that can be browsed on monthly basis and also gives useful guidance although it is not useful for long-term statistical analysis.

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