I been vaping on and off for about a year now, and I  been using the ego c with smoktech L.R. 1.5 dual coil.  About 2 weeks ago I got the ego twist my first vv and today I put the smoktech dual coil on it at 3.8 v and it worked for the first 2 hits than no vapor and a burnt rubber taste.  I tried it on the ego c and the same.   The  smoktech shorted out or burnt up right ?  and  will the ego twist be alright because of the 
	
		
			
		
		
	
			
			Short Circuit Protection ?
 
				
		 
 
		