Understanding Schematic Diagrams, Timing Charts, and Open Neutrals

Posted on December 28, 2014 by - Tech Talk

Here's an excerpt of the full, 20-minute training video now available in the Fundamentals of Appliance Repair training course that shows how to use a schematic diagram and timing chart to troubleshoot a problem with a washer drain pump that would not operate. The drain pump itself was good and getting voltage. Turns out that the problem was an open neutral.

The full training video explains these important troubleshooting concepts in detail:
- how to break down a complicated schamatic and read it to solve the problem you’re working on,
- using timing charts to interpret timer switches on schematics,
- technical explanation of open neutrals,
- test methods for identifying an open neutral,
- power and loads.

Samurai Tech Academy Fundamentals students will find the full-length video in the Troubleshooting module of the Fundamentals of Appliance Repair training course.

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