hi, ive got eleaf 40w gs tc kit, and since last night when I fire in w mode it says atomizer low! and wont draw, but when I change it to the .F bit its set at 600f it will fire but after a second it say temp procted! the coil has been in for a week but just to check ive put a new one in and same thing. can any help or tell me what to do please, kind regards Katie.