Suddenly my uni started flashing 5 times every time I would use it. I tried using different cartridges, I tried a different adapter oh, I cleaned the inside contact points of the mod, I loosened the adapter on the cartridge and I still can't figure out how to fix it. If anyone can give me any ideas that will be great. Also it's fully charged. And if I push the cartridge in in just the right way it'll work.

Sorry for the inconvenience.
Did you drop it recently?
Or please make a short video and upload it.