So I have had the cuboid mini kit for one week. Everything has been working great. I have been vapeing at 16w and 320 degrees Fahrenheit. On the .5 ss coil heads. Today all of a sudden I go to vape and no vapor... So I check the connections and change coils same thing no vapor. I turn temp to about 450 degrees and it hits but not like it uses to at that temp and when I turn it back down to my desired temp I still have the same problem. Also it keeps saying new coil or same on the screen every now and then. Please help its really bothering me and I don't want to go back to the ciggerets.