I'm concerned about my medium length DAV. I vaped a little bit on it, put it down for a bit, and when I picked it up it was very warm to hot. Not up by the button, but down closer to the dial. That was an hour and a half ago and it's still warm. A little cooler than it was, but it's definitely warm. Now I'm scared to use it or charge it. I've only had it for a couple of weeks, so this is really disappointing. Does anyone have any recommendations?