I'm not sure what to say for sure- because I have been reading that the 801 has changed a bit to a 'high bridge'? these days? on many models ... but I used a Pen Style for a very long time and this is what I can recommend.
1) If it gets even slightly flooded at all you're done. Try removing the cartridge, pulling the atty off the battery, and blowing HARD through the atty from the battery end into a paper towel.
- Once you have done that, palce atty back onto battery and try taking a few puffs straight off the atty - without a cartridge (yep just a straight open pipe)
- If you get some decent vapor, then the cartridges are flooding the atty, and I have had probably 5 bad batches of carts in my experience that did this. Try dabbing your cart dry a little with paper towel and give it a shot.
2) Does it kinda smell a little? Maybe the cartridges are a little dry as stated earlier? -> Even if you squeeze juice to top - if they are not full it will suck back down to bottom when you let go. Try squeezing a few drops right down the tube onto the atty, then take a few puffs directly on the stomizer (No cartridge)
- still having problems?
3) Blow out your atty good, slap on a new cartridge, and just keep puffing. Make sure there is not some sort of factory residue left over on the coil. Take long - slow - full drags on that thing until the light starts blinking on the battery every time and just keep at it until that atty gets H-O-T.
If you still have problems, you have to face the fact that at the rate these things get turned out you may have just possible gotten a lemon. Nothing personal against you from the company you ordered from - it simply happens. I'm sure if you still have trouble after trying these things you can just report your issues to said company and try out a replacement.
Take care and I wish you the best!
- Hap