Need to Create a Fault Tree Diagram?
QI Macros has a Ready-Made Fault Tree Diagram Template for Excel!
Why it Matters: Fault Tree Diagrams take reliability block diagrams one step further by adding logic symbols (and/or) to connect the blocks. (Similar to root cause analysis.)
Sample Fault Tree Diagram
Go deeper: Learn How to Create a Fault Tree Diagram.
- Taking a failure event that occurred, analyze that event (ask why?)
- List failures, events, or conditions that had to exist to cause the failure.
- Use logic symbols to connect the causes (e.g., this and that cause the failure.)
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The Fault Tree diagram is one of many tools included in QI Macros add-in for Excel.
QI Macros adds a new tab to Excel's menu, making it easy to find any tool you need. If you can't locate a tool, use the find tools feature on the far right side of QI Macros menu.