The Sequence Method (or Motion-Step Method) is a Poka Yoke technique that prevents and detects errors stemming from an improper sequence of events. It makes sure that the prescribed steps of the process are being followed in a certain order.


  • Component boxes that open one by one in the sequence of process steps once a part is taken out (light barriers)
  • Aircraft lavatories where the lock of the lavatory must be turned in order to switch on the lights

Learn more about this topic in our Poka Yoke Online Course (Demo currently not available for Internet Explorer).

Motion-Step Method
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