Since the "Concept Phase" gates in your DFR planner have already been completed (see Chapter 3), the next gate is "Preliminary Risk Assessment." To prepare for the analysis, you must first record the system configuration for the chandelier in Xfmea/RCM++ and then organize a meeting with the design team to perform the preliminary risk assessments. 

Learn more about XFMEA: https://www.reliasoft.com/products/reliability-management/xfmea

Learn more about RCM++: https://www.reliasoft.com/products/reliability-management/rcm