logi.LINT produces a list of problematical positions in the project. A click on an entry of this list puts you directly to the error-position in the function plan. The error is highlighted (if the error can be definitely assigned to a specific location in the function plan). In case of faulty variables you are positioned to the corresponding variable. In addition, the test results are written to a report file, which gives you a record of the amount of tests performed.
Of course, not all programming errors in function plans can be found by performing a static code analysis. A dynamic test of the PLC application is still required.