Andon

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Andon

Andon is a visual management tool to highlight the status of operations in each station at a single glance and to tell you immediately whenever something abnormal occurs.
Employing an andon with a signal cord, you will be able to identify the problems immediately and to take measures against them quickly.

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Lean Zone control
Lean producers assign quality assurance to
operators and employ Erro-Proofing devices
within each production process in order to detect
the problems at the sources.

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Andon (Japanese: アンドン or あんどん or 行灯) is a manufacturing term referring to a system to notify management, maintenance, and other workers of a quality or process problem. The centrepiece is a signboard incorporating signal lights to indicate which workstation has the problem. The alert can be activated manually by a worker using a pullcord or button, or may be activated automatically by the production equipment itself. The system may include a means to stop production so the issue can be corrected. Some modern alert systems incorporate audio alarms, text, or other displays.