Thanks for your post.
Sorry for the inconvenience.
Please can you fill out more detail about your device on www.yocantech.com/contact
Our support team will contact you ASAP.
PS. We can give you a discount code, you can choose new item on Yocanonline.com if you want to a new one.
Please can you share us more detail about your device.
Do you have load the oil cartridge on your UNI Mod?
And what's the light indicated? 3 times or 5 times flashing or none?