Here we go over some of the basics of how to trace down low voltage problems in an HVAC system. There are not many techs who are good at doing this but it is really not all that difficult. We go over some basics of how to get acquainted with a system initially and then go over some basics of actually tracing the wires and finding the source of the issue. This is not meant to be a completely comprehensive guide but if people want more videos like this let us know and we can make more. If you are a homeowner and you are watching this then I have to recommend calling an HVAC company but if you have a solid understanding of electricity and a good volt meter then the same principles apply to you. I cannot condone you troubleshooting these types of issues though so please don't.

I also go over why control boards are commonly misdiagnosed in this video.

00:00 Intro
00:22 Basics
04:25 Example System
09:57 Control Boards

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