Lean teams use visual management because problems that can be seen get solved faster. When the normal state is obvious, an abnormal one stands out without a report or a meeting.
Where it comes from
Visual controls are part of the Toyota Production System, where andon lights, kanban cards and marked locations let people see the state of production without asking.
At a glance
From seeing to preventing
Swipe sideways to see the whole diagram.
How to apply Visual management
- 1
Decide what people need to know
List the questions a team member or leader asks during a shift: are we on plan, where does this go, is the machine running, what is the next job.
- 2
Make the standard visible
Show the normal state with floor markings, shadow boards, labels, min and max lines and posted standard work.
- 3
Make the status visible
Show actual against plan with hour-by-hour boards, andon lights and kanban boards, updated at the point of work.
- 4
Make problems visible
Use red markers, a problem board or an andon call so an abnormal condition stands out immediately.
- 5
Link visuals to action
Agree who responds to each signal and how fast. A board that nobody acts on soon gets ignored.
Worked example
A machining cell posts an hour-by-hour board showing planned and actual parts, with a column for the reason when the hour falls short. The team leader checks it every hour, and the most common reason, waiting for a first-off inspection, becomes the next improvement project.
Common mistakes
- Putting up boards full of charts that are updated weekly by someone outside the team.
- Making signals visible without agreeing who responds and how fast.
- Adding so many visuals that the important ones get lost.
When Visual management is not the right tool
Visuals do not replace a stable process or a response routine. A board that shows a problem nobody acts on teaches people to ignore it.
Visual management and andon cord signals
An andon cord is visual management at its most direct: one pull turns a light on and calls for help. Kanban cards, floor markings and 5S shadow boards are quieter visual controls.
Visual boards are the center of a daily management system, where the team reviews them in a short huddle.