RPN is a numerical score used in Failure Mode and Effects Analysis (FMEA) to evaluate and prioritize risks associated with potential failure modes of a product or process. It helps teams focus on the most critical risks that need to be addressed. 🔢 Formula for RPN: RPN = Severity (S) × Occurrence (O) × Detection (D) -Severity (S): The potential impact of a failure. -Occurrence (O): The likelihood of the failure occurring. -Detection (D): The ability to detect the failure before it reaches the customer. Each of these factors is rated on a scale (usually 1 to 10), and the RPN score is the product of these ratings. ⚖️ Prioritizing Risk by 3 Factors: -Severity: How severe the failure would be. -Occurrence: The likelihood of the failure happening. -Detection: How likely the failure will be detected before it affects the customer. 📊 Risk Matrix: A Risk Matrix helps visualize and prioritize risks based on their Severity and Occurrence ratings, while the Detection rating influences how proactive we need to be in addressing those risks. 🔴 Color Coding in Risk Matrix: -Red: High risk, immediate action needed. -Yellow: Moderate risk, requires attention. -Green: Low risk, monitoring required. ✅ Benefits of RPN Matrix: -Provides a systematic way to evaluate and prioritize risks. -Helps allocate resources more effectively by focusing on the most critical risks. -Enhances decision-making by providing clear risk ratings. ⚠️ Disadvantages of RPN: -RPN does not always reflect the true level of risk, especially when factors like severity are not accurately considered. -Two failure modes with the same RPN may require different actions. -Over-reliance on RPN can lead to missing out on other critical aspects of risk. 🔑 Recommendations: - Combine RPN with Severity, Occurrence, and Detection ratings for a more accurate risk prioritization. - Use tools like FMECA for a more detailed and comprehensive risk analysis. Regularly update risk ratings to reflect new data and changes in operational conditions. Source: https://www.linkedin.com/in/govind-tiwari-phd/