You are an engineer reviewing the production line for a new smoke alarm. The following is an extract of the FMEA that ha
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You are an engineer reviewing the production line for a new smoke alarm. The following is an extract of the FMEA that ha
You are an engineer reviewing the production line for a new smoke alarm. The following is an extract of the FMEA that has been conducted on the product and you have been tasked with reviewing components, production and the safety of the product. Design Verification Process System Subsystem Component Potential Failure Mode and Effects Analysis (Design FMEA) FMEA Number Project III Prepared By Sylvia Wu FMEA Date 22/10/2020 Design Lead Shay Isaac See Project III R1 Report Key Date Revision Date 21/08/2021 Core Team Page 1 of 6 Action Results Item/Function / Potential Failure Mode(s) Potential Effect(s) of Failure Sev Potential Causes) Mechanism(s) of Failure Human error Occ Current Design Controls Det RPN Recommende d Actions) Responsibility & Target Completion Date Actions Taken New RPN Sensor A A Not correctly calibrated Faulty fire sensor 9 2 Training and verification of testing 3 Insufficien t volume Faulty fire sensor Purchase specialised calibration tool Investigate alternative alarm component 9 Faulty 1 Inspection Alarm component 5 component Alarm housing 3 Incorrectly cast housing 4 Inspection NI Replacement housing required Alarm cover breaks at first removal 2 Negotiate quality with supplier Answer the following questions: 1. You think you have a way to detect failures better. Based on the FMEA approach, which item will you focus these efforts on? Sensor A, the Alarm Component or the Alarm housing? 2. Justify your answer to question 1 above. 3. Another option you find is to improve the manufacture of the alarm housing so that the FMEA Occurence value of it breaking at first removal halves. What is the new RPN for the Alarm housing item?
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