Learn Appliance Repair Online with Master Samurai Tech


What does it mean when a sub control board is "loading down" the main control board?


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Why Master Samurai Tech's Appliance Repair Training?

Unique and Up-to-Date
You’d be hard-pressed to find training as state-of-the-art as ours. The knowledge and skills you’ll learn are crucial to making every service call effortless, no matter the issue or appliance.

Online and Self-Paced
Train around your busy schedule, wherever there’s Internet, and know that you can take your time mastering the material. Our coursework is always there for you.

Interactive Help
Quizzes provide immediate feedback on where you’re kicking butt and where not. Our staff is also available to answer questions in our Student Forum and regular Office Hours.

Tech Resources
We also run Appliantology, the world’s largest community of appliance repair techs. Enrollment includes a membership discount to this invaluable resource for working techs.

Certification
After successfully completing a course, you are eligible for Master Samurai Tech Certification, which signals to employers and customers that you truly know your stuff.

Guaranteed
Our students call this the best career investment they’ve made. We’re so confident you’ll agree, we offer a 10-day money back guarantee.


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  • “Loading down” occurs when a sub board is drawing more DC current than the main control board can supply. When this happens, the DC power supply on the main control board is unable to produce the source voltage needed to drive the sub control board.

    Want to really test your appliance repair knowledge? Take our infamous You Don't Know What You Don't Know quiz.

“I firmly believe that these courses are the greatest thing that have ever happened in the appliance service industry, because they give a solid and thorough foundation for troubleshooting and repairing modern appliances.”

– Todd Daganaar, President, Nebraska Home Appliance

“I have run my own business for over 3 years and am completely self taught. Scott’s training is superior to other online sources I have studied. The depth of my diagnostic process has increased dramatically since taking this course…. my profits have definitely increased based on the training I received.”

– Ron T., business owner in Atlanta, GA


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