Definition

Andon

An Andon is a visual control that indicates the status of a machine, manufacturing line or work process.  Andons are often accompanied by audible alarms to alert supervisors when there is a change in status. 

Adons are an effective way  to alert support personnel  who must attend to several automated processes at a time or are not always located in close proximity to the work they oversee.

ANDONS are typically color-coded this way:

  • Green - normal operations 
  • Yellow - attention will be required in the near future 
  • Red - urgent attention is needed.

Here is a demonstration of an Andon system:

Related glossary terms: manufacturing execution system (MES)
This was last updated in November 2011
Posted by: Margaret Rouse

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