A good downtime interruption reason-code list is short enough for operators to use during a stop, but specific enough for managers to see patterns across shifts and lines. Start with 8 to 12 codes so operators get fast choices under pressure and leaders get cleaner data than a long list filled with guesses and “Other.”

A curated list of the 12 KPIs that matter in a 10-20 machine factory - not the 47-KPI listicles the big content sites publish.

What first pass yield is, the FPY formula with a worked example, how FPY relates to the quality rate inside the OEE calculation, rolled throughput yield in brief, and what actually drives quality losses on an SME line.