Measures the percentage of downtime that occurs unexpectedly due to unplanned events.
What it Measures ?
How often machines stop unexpectedly.
Relevant StakeHolders
Maintenance Lead, Operations Manager
Why it Matters ?
Measures unplanned downtime levels.
In-depth Use Case / Real-world Example
Percentage of Unplanned Downtime tracks the proportion of downtime caused by unforeseen issues like equipment failure or material shortages. For example, if 5 hours of downtime occur unexpectedly out of 50 total hours, the percentage of unplanned downtime is 10%. Minimizing unplanned downtime is crucial for improving overall equipment effectiveness (OEE) and increasing production capacity. Proactive maintenance and better forecasting can help reduce unplanned downtime.
Sample Formula
(Unplanned Downtime / Total Downtime) * 100