Andon is an alert system that can be visual or audible, facilitating quick response to any problems in the process or system. This system includes a way for employees to stop the process, physically or electronically, so that the issue can be addressed before production continues.

For a better understanding of Andon and an overview of Lean Six Sigma, check out our Free Lean Six Sigma Yellow Belt Training, Green Belt Training or Lean Training.

Tracy O'Rourke

Tracy is a Managing Partner & Executive Advisor at For almost 20 years, she's helped leading organizations like Washington State, Cisco and GE build problem-solving muscles with Lean Six Sigma to achieve their goals.