Hello, I bought a Kanger Sub Ohm tank, using the .5 ohm coils and it was working great. I was using it with my Aspire CF Sub Ohm mod and my Amerivape Manhattan. No problems whatsoever until this morning until all the sudden I get a burnt taste right after replacing the coil when used on the Manhattan. I primed it right, let it sit, pulsed it. But still, it burned immediately. I tried another coil and got the same thing. Then I put in a third coil and tried it on the Aspire CF Sub Ohm M