[Free] Tracing the power supply circuit for your Load of Interest (LOI)

[Son of Samurai]

We hope you enjoy this free workshop and that it helps make you a better appliance tech. This workshop will be available to the public for free through this month. After that, we'll remove this one and post a new free featured workshop selected from our vast repository of appliance repair training workshop videos.

If you're currently a professional appliance repair tech, these workshop videos will improve your understanding of electric circuits and appliance technology and up your troubleshooting game. If you're a DIYer or considering getting into the appliance repair trade (great choice!), these workshops will kick your training into high gear.

If you would like a more structured, step-by-step, training experience, enroll today at the Master Samurai Tech Appliance Repair School. One of the benefits of enrolling at Master Samurai Tech is that you get a free 6-month professional membership here at Appliantology which gives you access to all the workshops, the tech forums, and the service manual downloads. If you get certified in our Core Appliance Repair Training Course, you get a free annual professional membership at Appliantology. See details on this page. 

Now, on to the workshop! 

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You're on a service call and you're troubleshooting a problem using the world-famous Ten Step Tango. You've made a solid Problem Statement (Step 1 of the Tango), you've done a schematic overview (Step 2), and you've explicitly identified your Load of Interest (Step 3). Now you're on to Step 4- LOI circuit analysis. In this step, you're tracing the power supply circuit for your Load of Interest (LOI). In the case of a 240 VAC load, you're reading the schematic to see how the load gets L1 and how it gets L2. For a 120 VAC load, you're reading the schematic to see how the load gets Line and how it gets Neutral. 

In this short little video from a Live Dojo workshop, we work through an example of tracing the power supply for a load of interest, in this case, the bake ignitor in a gas range. Watch and learn a few schematic reading tips to make your life easier.