I'm running a velocity. Duel ti coil .32 ohms. I don't lock my resistance. Temp control works flawlessly limiting power when the wick goes dry, haven't gotten a dry hit yet. Should I be locking my resistance?
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I would say that locking the resistance when the coil is cool would make it ask you less if it is a new coil or not. I imagine that the mod gets "confused" especially when one removes their tank for a refill, or when you drip into your velocity, which would cool the coil quite drastically, and in turn lower the resistance too.
When you don't drip juice or remove the RTA for a refill, the device would be able to "sense" a gradual cooling of the coil and just know that it is normal, and therefore, not a new coil. Which might explain why your mod doesn't ask you sometimes. But the manufacturers have not been the most thorough in explaining how their devices work, so my understanding of what happens on the back end is just based on my guesses.
By the time I got the VTC Mini, I already had some experience with TC coils with the DNA40, so I can't say I have build a bad coil with the VTC Mini so far. But with the DNA40, whenever the mod asks if it is a new or old coil without my removing the atty, I know I have a badly built coil.
For me TC has been a battery killer because before TC I never imagined going beyond 15watts, with temperature protection, also comes higher wattages, which would mean draining the batteries faster. Also I think TC chips do some "monitoring" on the back end even when not fired.
I would replace or charge my batteries when my mod tells me battery weak, because I know Li-on batteries get damaged when drained too far, and again, I do not know how far the mods drain the batteries until it cuts off.
