摘要：The article deals with the products poor quality diagnosing method – causes and effects diagram used for eliminating non-conformance causes as soon as possible. Problem importance is embedded in organization efficiency. Products quality control principles are formulated, the order of causes identification is shown, causes and effects diagram building principles and the ways of analysing this diagram results are presented. Conclusions emphasize the importance of the effects detailed definition prior the causes analysis process.
关键词：non-conformance;effects;causes;quality assurance;quality control;causes and effects diagram.
