Andon - Lean Manufacturing

Andon is one of the three elements that make up the principle of Jidoka -

Jidoka
Jidoka is made up of three elements, these are: -
1.Andon
2.Full work system
3.Error proofing (pokayoke)
So exactly what does andon look like?

What an Andon System does:-
l.Andon allows timely corrective actions by alerting personnel when abnormal conditions occur.
2. Allows Shop floor Team Leaders to spend less time and effort monitoring the situation, and more time solving abnormalities.
3. Allows Operation teams to monitor equipment and personnel more effectively.
4. It can act as a 2 way communication device e.g. When indicator returns to green; this tells everybody it