What is the term for an electronic board that displays floor status and uses color signals to coordinate work centers (green for running, red for stop)?

• A. Andon
• B. Backhaul
• C. Backorder
• D. Available inventory

Answer: (A)

Andon is the signaling system used on the manufacturing floor to communicate status and alert teams to issues. An electronic Andon board shows each work center’s status and uses color cues to guide actions: green means the line is running normally, red signals a problem that requires attention and may stop the line. This visual management helps synchronize work across multiple centers, letting operators and supervisors see at a glance where to focus effort or deploy resources to prevent defects or delays. The other terms describe different concepts—backhaul relates to transportation or data links, backorder to unfilled customer demand, and available inventory to stock levels—not real-time floor signaling.