Troubleshooting Technique part 1

To perform a troubleshooting tasks,firstly we must properly an understanding of problem solving and the overall concept of troubleshooting and repairing.It have a step by step technique or method to make a troubleshooting tasks more effective and achieve the target.

From my experience i made an observation about troubleshooting skills at my work placed and i recognized the several mistake done when perform the task.The major mistake always happen is a troubleshooter not analysis or find the root cause of a defect.

For example,when they found the machine cannot operated due to main fuse was blown,they only just change the fuse.They not make a analysis why the fuse is blown.Many reason or cause can make the fuse blown such as overload,short circuit or others.If we found the root cause,we can settle the problem without waste a time and expense for unnecessary matter. Read More

Alternating Current (AC)

What is an alternating current?

Alternating current (ac) is changing the current flow.Changes in the flow of current in ac circuits because if the changes the polarity of the alternating voltage source alternately.

Current value will increase from zero to a maximum in the positive direction and then dropped to zero. Next, the current will be reduced to a maximum in the negative direction. Then, the current back up to zero.

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