What is the PCBA board shortcomings of quality inspection standard?

                  What is the PCBA board  shortcomings of quality inspection standard?


      1. Serious shortcomings (in CR): any defect which is sufficient to cause injury to human body or machine or to endanger life and safety, such as: failure to comply with safety regulations / burner / electric shock, etc.

      2.Main disadvantages (expressed as MA): may cause product damage, functional anomalies, or defects affecting the product's service life due to material.

      3.Minor shortcomings (expressed in MI): not affecting product function and service life, some appearance defects and minor defects or differences in the assembly of the structure.