Production Improvement

Andon

Andon is a visual or audible system used to signal an abnormal production condition and request timely support.

What this term means in maintenance

Andon is a visual or audible system used to signal an abnormal production condition and request timely support.

What Andon can signal

Examples include:

  • Equipment fault
  • Material shortage
  • Quality problem
  • Safety concern
  • Operator assistance
  • Line stop

Practical example

An operator activates an Andon signal when a machine repeatedly jams and maintenance support is required.

Andon and maintenance

The signal may create a notification, escalation, or work request based on severity and persistence.

Visual management

Lights, screens, sound, and digital alerts make the condition visible to responsible teams.

Common mistake

Generating frequent signals without clear response ownership and escalation causes alert fatigue.

Related maintenance terms

Keep exploring connected CMMS, reliability, and maintenance planning terms.

Andon FAQs

What is Andon?

A visual or audible signal used to show an abnormal production condition and request support.

Can Andon create maintenance work?

Yes. Repeated or significant equipment signals may create notifications or work requests.

What makes Andon ineffective?

Too many signals, unclear ownership, weak response, and no escalation.

Turn Maintenance Definitions into a Proper Action

MaintBoard helps Plant Heads and Maintenance Heads improve equipment reliability, reduce repair delays, and gain better visibility into maintenance operations.