I have a smok Natural and am having hot button issues. My build are good and have no shorts. I have an Igo-w wrapped with a 1ohm dual coil and an RSST with a 1.4ohm coil on it. I am relatively new to building coils but i am meticulous about it. I am using an Efest18650 2000 mah when i use the IGO-W and the RSST. I also have 2 Efest18350 800mah and i use those primarily with the RSST and the carto tanks i have. The amp limit is safe, the batteries are practically new with no signs of wear in the casing. this usually only happens when i use the IGO but it does occur with the RSST and very seldom with the cart tanks. I need help figuring this out. thanks for the input.