Hi there! :)
Here goes some useful tips for using ecigs correctly.
1. Before using the new e-cigarette, please do insert a new cartridge and wait several miniutes for the liquid flowing into the atomizer. Atomizer may be spoilt if working without liquid in.
2. Sometimes the atomzer doesn't work properly just because the residual e-liquid in the atomizer affect the working. Please try following steps to solve the problem with the atomzer:
a. Screw off the atomzer