I have to adjust the positive screw on my Heron a few times a day. I'll be puffing on it and then nothing...no vapor. I don't know if this is a known issue with this unit or particular to my Heron.
Hello buddy and sorry for my delayed response.
We haven't any report of such issue till now.
Is your positive screw loose somehow?
Is the insulator of the 510 connector loose?
Is the dent of the positive screw rough and it catches on the 510 connection of your
mod and unscrews during use?
With what
mod you use Heron? What kind of 510 connection has your
mod, pin, screw, is it smooth?