Just realized where my build went wrong on new kayfun 3.1
When tightening terminal screws take care on the positive as it can rotate the block into the negative post that is fixed as part of the deck.
Appears to be an insulating wafer under the positive and if you tork it too much (me) it can spin/turn/twist.
Just a heads up.
Easily fixed with a pair of needle nose pliers to rotate it back. Hoping it wont loosen over time.
All in all a great vape and easy-peasey to work with.

When tightening terminal screws take care on the positive as it can rotate the block into the negative post that is fixed as part of the deck.
Appears to be an insulating wafer under the positive and if you tork it too much (me) it can spin/turn/twist.
Just a heads up.
Easily fixed with a pair of needle nose pliers to rotate it back. Hoping it wont loosen over time.
All in all a great vape and easy-peasey to work with.
