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→13.3.6 Failure Analysis
===13.3.6 Failure Analysis===
The full clarification of causes for switching device failures, for example relays, is most important for quality assurance. As a starting point the full history of the relay, such as electrical load, environmental conditions, etc. must be recorded. The process flow chart in <xr id="fig:Flow diagram for evaluation of failure cause in switching devices for communications technology"/> (Fig. 13.10 ) clearly describes a proven way to conduct a failure analysis.<figure id="fig:Flow diagram for evaluation of failure cause in switching devices for communications technology">Fig[[File:Flow diagram for evaluation of failure cause in switching devices for communications technology. 13.10:jpg|right|thumb|Flow diagram forevaluation of failurecause in switchingdevices forcommunicationstechnology]]</figure>
Following all procedures of such a failure evaluation carefully, the root cause of the defect can most likely be established in order to implement preventive measures limiting future occurrences.
==References==
[[Testing Procedures#References|References]]
