Question: fmea how to do it?
Answer: STEP 1: Review the process. ...  STEP 2: Brainstorm potential failure modes. ...  STEP 3: List potential effects of each failure. ...  STEP 4: Assign Severity rankings. ...  STEP 5: Assign Occurrence rankings. ...  STEP 6: Assign Detection rankings. ...  STEP 7: Calculate the RPN.