Going Lean: Mistake Proofing

Course Code: LMP
Delivery: Online
Languages: English, Chinese

Mistakes or errors create defects and waste, and Lean is about eliminating waste in the Value Stream process. Mistakes can be expensive, causing scrap, rework, delays, and unhappy customers. Mistake Proofing is a Lean technique that identifies sources of error and puts in place devices and methods designed to prevent errors, or the negative impact of errors. This Lean training course features illustrations and examples drawn from direct experience with Lean implementation in real-world organizations.


Mistake Proofing is an interactive, multimedia, eLearning training program. It is intended for managers, operators, technicians, engineers, and trainers who work in, or are transitioning to, a Lean workplace.


Participants successfully completing the program will be able to:

  • Describe basic concepts behind mistake proofing
  • Describe consequences of errors and defects
  • Identify three primary sources of error and the relation between errors and defects
  • Describe Mistake Proof, Failsafe, Poke Yoke, and Jidoka, with everyday examples
  • Identify characteristics of Mistake Proofing devices, and methods
  • Explain four levels of Mistake Proofing
  • Describe the role of the Value Stream in a continuous problem solving cycle
  • Identify red-flag conditions in production or office
  • Explain Mistake Proofing and Conventional Wisdom
  • Explain the value of 5S in Mistake Proofing
  • Describe examples of Colour coding, positioning assists, and devices for Mistake Proofing
  • Explain mistake prevention, standardized operating procedures, and checklists
  • Describe Mistake Proofing document design
  • Explain the process for implementing mistake proofing

Qualification and Certification Testing

LearnTech® certification training incorporates interactive learning checks throughout the instructional sequences. Certification tests are criterion-referenced and module-based with feedback on every response for enhanced learning. Administrative access to dates and scores of tests, certifications, and re-certifications is compliant with ISO quality-standards training requirements.

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