Live example

Lamp troubleshooting

A small process flowchart, rebuilt as an accessible, keyboard-navigable diagram. Every box announces the boxes that lead into it and the boxes it leads to, and the full text is available to screen readers. This sample was written for this page.

Tab and arrow keys move between boxes · P jumps to the box before · U to the box after.

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Text outline of the flowchart

Lamp does not turn on.

  1. Is it plugged in?
    • No: Plug it in.
    • Yes: Go to step 2.
  2. Does the outlet work?
    • No: Try another outlet.
    • Yes: Go to step 3.
  3. Is the bulb burned out?
    • Yes: Replace the bulb.
    • No: Replace the lamp.