The yocan uni blinking issues is the biggest trouble for newbie.
Most of new vape users don't know why does Yocan UNI blinking, and how to fix.
If you also have similar question, read on and find a solution.

Lights flashing 5 times
There is no atomizer, or the Yocan UNI batter can't detect the oil cartridge.
Please try to unscrew all part, and re-screw the oil cartridge and adapter.

Lights flashing 3 times
Short circuit error, please check the connection.

Lights flashing 10 times
The Yocan UNI battery is low battery.
Please plug in the USB cable to charge your device.