IsometricFMEA
A free, browser-based Process FMEA tool for manufacturing and quality teams. Build your PFMEA, manage reusable libraries, and export clean reports — everything stays on your machine.
Your library is pre-loaded with automotive starter content. Customize it in the Libraries section.
RPN Thresholds (AIAG Classic): RPN = S × O × D (max 1000). High risk: RPN ≥ 200 or any Severity ≥ 9 — immediate action required. Medium risk: RPN 100–199 — action recommended. Low risk: RPN < 100 — monitor and review. Note: RPN alone should not be the sole decision criterion — high Severity scores always require attention regardless of RPN.