Vdel Posted December 27, 2014 Share Posted December 27, 2014 How do you tell if you have a short in a build? I have. Slug Clone with a Tobh Atty and a Magma Paradigm Atty. I keep my builds between .5 and 1.5 and always check the coils before I wrap cotton with a digital VOM. Wouldn't a short result from a coil grounding out on the tank? How can you check for a short with the VOM before you vape? Link to comment Share on other sites More sharing options...
Bebop Posted December 27, 2014 Share Posted December 27, 2014 Your volt meter will read 0 resistance. Did you mean grounding out on the deck? Link to comment Share on other sites More sharing options...
Compenstine Posted December 27, 2014 Share Posted December 27, 2014 Bebop is correct... But, I will add that if your building a KPT coil head or other coil head, your ohms may bounce wildly when you take your measurement. For example, it will show .5, 1.7, .9, 1.9, 1.4, 1.0, .01, .8, 2.9 and not settle on any number, this is also a short. As you learn how ohms read. It could be that you are doing a wrap that is normally a 1.5 - 1.6 ohm build and the meter shows 0.4 - 0.5 ohms on the build, that is telling you something is wrong. Link to comment Share on other sites More sharing options...
Vdel Posted December 27, 2014 Author Share Posted December 27, 2014 I did mean to say on the deck. What other errors will cause a short? Link to comment Share on other sites More sharing options...
Bebop Posted December 27, 2014 Share Posted December 27, 2014 Your question is a little unclear. So I'm just asking for a little clarification. A short is when you have a direct no resistance connection between positive and ground. This is different than "no connection" at all. In both cases the coil wont fire. The coil can short directly to the deck. It can also short to the housing if the coil is out of position. It can also be too low to the deck and that can also cause a misfire or no fire. One of the legs can short to the deck if not trimmed properly. You mention both standard ohm (above 1.0 ohm) and sub ohm (below 1.0 ohm) coils. But you don't specify whether you are building micro coils (where the coils are "fused" together). If it is a micro coil then they have to built correctly to perform correctly and read proper resistance. If it is a standard coil where the coils are separated but then they end up touching each other you can get weird resistance readings, hot spots, coil failure etc. You can also get weird readings if your post screws are not making solid connections. You can also get weird readings and shorts if your coil is swamped. There are many variables. Can you tell me more about what you are trying to solve? What your symptoms are? Link to comment Share on other sites More sharing options...
Vdel Posted December 27, 2014 Author Share Posted December 27, 2014 Actually you provided the particular reasons for a short or misfire I had questions about. Thanks for the info, I really appreciate it. Link to comment Share on other sites More sharing options...
Bebop Posted December 27, 2014 Share Posted December 27, 2014 Ok great. Link to comment Share on other sites More sharing options...
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