joyech，150w，

hey everybody! I've been using the cuboid for a few weeks now. And besides needing to replace the tank after getting the atomizer short I'm now having a new issue. Whenever i click the fire button the display goes blank. It is working and the coils are heating up but very confused by the...

how is it? just want to add some info today: I bought mine on vanguardsmoke.com on Friday and actually received on Monday, big surprise here!