Electrical apparatus will repeatedly break down for many different causes. Mechanical contacts and other components can wear out over the years and wires may overheat and burn open or short out; parts might be damaged caused by an impact or abrasion; etc. Equipment may function in a fashion far different than it had been designed to, or maybe not work at all.
Typically, when equipment breaks down there does exist a sense of urgency to get it fixed and running again. If the faulty equipment is part of an assembly line, the whole assembly line may be down causing unexpected “time off” and lost revenue. If you are at a clients site to repair equipment, the client may watch you, knowing that they are paying for every minute you spend fault finding and repairing their equipment. Either one of these scenarios – and there are more, can put a large amount of weight on you to solve the issue quickly. So, what is troubleshooting? It is practise of analyzing the behavior or operation of a faulty circuit to see what's wrong with the circuit. It then involves identifying the defective component(s) and repairing the circuit.
Depending on the type of equipment, troubleshooting can be a very challenging task. Now and again problems are easily diagnosed and the problem component easily visible. Other times the symptoms in addition to the faulty component can be difficult to diagnose. A defective relay with visual signs of burning ought to be easy to identify, while an intermittent problem attributable to a high resistance connection can be much tougher to find.
What makes an expert Troubleshooter? One trait of expert troubleshooters is they are capable of finding virtually any fault in a reasonable amount of time. Easy faults, complicated faults, they find them all. Another trait is that they typically replace only the components which are defective. They seem to have a knack for finding out exactly what's wrong. No trial and error here. So what is their secret?
You might believe that a person who has a very good understanding of how the equipment works, should be able to troubleshoot it effectively. Being good at fault finding requires more than this.
Expert troubleshooters have a good understanding of the operation of electrical components which are used in circuits they are knowledgeable about, and even ones they are not. They use a system or approach that enables them to logically and systematically analyze a circuit and determine exactly what's wrong. Additionally understand and effectively use tools like prints, diagrams and test instruments to locate defective components. Finally, they have had the opportunity to develop and refine their troubleshooting skills. If you ever want to troubleshoot like the pros you will need to develop your skills in each of these areas.
You need to be able to see how the circuit works under normal conditions and what effect changing one of the circuit inputs has on the circuit operation. For example, what takes place to the overall circuit operation when a push button is pressed; which relays energy, which lights illuminate, does the pump start or stop, etc. You also will need to be able to work out what effect a faulty part could have on the circuit operation.
Author Resource:
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