To expertly troubleshoot electrical equipment, problems must be solved by replacing only defective equipment or components in the least amount of time. One of the most important factors in doing this, is the approach used. An expert troubleshooter uses a system or approach that allows them to logically and systematically analyze a circuit and determine exactly what is wrong. The approach described here is a logical, systematic approach called the 5 Step Troubleshooting Approach. It is a proven process that is highly effective and reliable in helping to solve electrical problems.

This approach differs from troubleshooting procedures in that it does not tell you step by step how to troubleshoot a particular kind of circuit. It is more of a thinking process that is used to analyze a circuit’s behavior and determine what component or components are responsible for the faulty operation. This approach is general in nature allowing it to be used on any type of electrical circuit. In fact, the principles covered in this approach can be applied to many other types of problem solving scenarios, not just electrical circuits.

The 5 Step Troubleshooting Approach consists of the following:

  • Observation
  • Define Problem Area
  • Identify Possible Causes
  • Determine Most Probable Cause
  • Test and Repair

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