I think i already ruined it. the coil that holds the batterys has melted a little. :( i was doing the heat up and cool down and then after a few times i hit it the button again and instead of staying lit it just flashed 3 times then went away..then it started heating up so i unscrewed it and...
I searched around but couldnt really find any instructions. I got this new from ebay from a top rated seller for $110. Not sure if im allowed to link but this is what i got (for $110)
http://www.ebay.com/itm/281266165040
So its just a box. It looks brand new. But I don't really even know how...