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Frequently asked questions
What are predictive maintenance KPIs?
Predictive maintenance KPIs are metrics used to evaluate how effectively a maintenance program identifies developing equipment problems and helps teams act before failures occur. They can track equipment reliability, unplanned downtime, and the usefulness of maintenance alerts.
Which KPIs should a predictive maintenance program track?
Useful KPIs include unplanned downtime, equipment uptime, mean time between failures, mean time to repair, and the percentage of maintenance work completed before a failure. Alert accuracy and the time between an alert and a potential failure can help teams evaluate predictive performance.
How does unplanned downtime help measure predictive maintenance performance?
Unplanned downtime shows how much production time is lost to unexpected equipment stoppages. Comparing it with a baseline can help teams assess whether predictive maintenance is contributing to fewer disruptions, while accounting for changes in operating hours and production conditions.
Does production-state coverage establish predictive maintenance coverage?
No. Production-state coverage alone does not establish diagnostic or predictive coverage. Knowing whether equipment is running or stopped is different from identifying a developing fault or predicting when a failure may occur.
How often should predictive maintenance KPIs be reviewed?
Review active alerts and urgent equipment issues frequently enough to support timely action. Review KPI trends on a regular schedule to evaluate reliability, downtime, and alert performance, adjusting the cadence to equipment criticality and operational needs.
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