A resource for safe and effective troubleshooting from the leaders in simulation training.

Welcome back to another exciting Troubleshooting Thursday! If you have been following all of the steps to Simutech Multimedia’s troubleshooting process, congratulations — you have systematically found which part of your circuit is defective. Now it is time to replace that component.

On the last TsT, we looked at testing the circuit, an important stage of the systematic troubleshooting process that involves testing the most probable causes of an electrical malfunction, determining precisely which components are faulty and other circuit troubleshooting techniques.

Today on Troubleshooting Thursdays, we will discuss the stage of actually repairing/replacing a defective component within a malfunctioning circuit.

Simutech Multimedia’s systematic troubleshooting approach:

  • Preparation  
  • Step 1: Observation
  • Step 2: Define the Problem Area
  • Step 3: Identify Possible Causes
    • Determine the Most Probable Cause
  • Step 4: Perform Testing
  • Step 5: Repair and Confirm (today’s lesson)
  • Follow-up

STEP 5: Repair and Confirm

WARNING: Replacing electrical equipment can be hazardous. The electrical energy contained in many circuits can be enough to injure or kill. Make sure you follow all of your companies safety precautions, rules and procedures while troubleshooting.

Once you have determined the cause that is preventing a circuit from operating correctly, you can then go ahead and replace the defective component. But before you do, it is crucial that you ensure the circuit is locked out and verified as dead before disconnecting the part or any wires.

After disconnecting the component, you should then test the actual part while it is out of the circuit to make sure it is defective. For example, if you have used a voltmeter to determine that a coil is open, you should, once you have removed it from the circuit, measure its resistance to verify that it is defective. If tests show it is not defective, then you should return to Step-2 of Simutech Multimedia’s Systematic Troubleshooting Approach and repeat the troubleshooting process of defining the problem or problem area, using the information you have gathered from this testing.

Test-operating the Equipment

After replacing the defective component, you must test-operate the entire circuit to be sure you have replaced the proper part and that there are no other faults contributing to the malfunction. If the circuit or system still does not work correctly, then you should return to our post “Troubleshooting Tips: Observation”.

Ensure that you have fully repaired the circuit, as it can be very embarrassing to be called back to fix a problem you should have fixed the first time.

In the next coming weeks, we will be looking further into the specifics of various forms of electrical testing, live/dead circuits, finding opens with an ohm meter and more. 

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