Troubleshooting modern refrigeration and/or air conditioning systems require a thorough knowledge of the systems and its functions.
However, to be a good troubleshooter, a technician must use the proper instrumentation and, more importantly, have certain organizational skills. Organizational skills will help the technician more quickly solve even the toughest problems he may encounter in the field. One of the best-known ways for a service technician to organize thoughts is through the use of a service checklist, a sample of which is shown in Table 1.