If your Yocan UNI Pro is experiencing a connection issue, the OLED display will give you 'no atomizer' error. This post we are going to discuss how to ix Yocan UNI Pro connection error?
First of all remove the 510 thread adapter and the oil cartridge from UNI Pro battery.
Hit the fire button without cartridge, the UNI pro battery should be displayed no atomizer error.
And please use a q-tip with Isopropyl Alcohol clean the contact points.
Re-install cartridge and adapter, if the battery still display no atomizer, try to install a brand new cartridge.
If these conditions are met and you are still experiencing connection issues, please contact Yocan Customer Service