If I have something plugged into the same outlet as my nano, like my iPad charging, there is a slight difference also in temp. The temp goes down slightly and I need to turn my nano up a bit. Different outlets seem to make slightly a difference too. If you have really dry cannabis you might need to turn you heat down. Different strains require a different heat setting.
Try starting out at a little below 6 and go from there. My temp is anywhere 6 to 6.5. On occasion I do go below 6 depending on my cannabis or if I have a cold. If you cough turn it down.
I've never combusted using my Enano. Some folks say that they have. I've even turned my unit up to 10 so it will heat up faster and forgot to turn it down. I will notice a harsh bitter taste and will remember then to turn it down. The end will be charred but I didn't combust. You know it when cannabis combusts. The whole amount of cannabis will be ash and you will need to clean everything out because it will taste terrible. The unit will have a foul odor and taste.
For our new nano owners don't mess with the screen depth until after you've used your unit a few times. The screen should already be about where you need it. After a few times using your unit then fiddle around with the depth of your screen if you want it deeper or closer to the heater.
Using the e-pic will help you wth your screen depth if you need to adjust it. I use a long end of a pencil or a chop stick to adjust my screen dept. I usually set my screen and don't usually change it much.
Also practice with different amounts of cannabis. If you have a restricted draw the cannabis is probably butting against the oven or you have a dirty screen. Just remove a little of the herb and start again. It's a fairly easy unit to get the hang of, no real learning curve. Also there are no small parts to lose track of.
I had a chair roll out from under me on linoleum and I hit my tail bone really hard and bruised it when I fell. This was a couple days ago I've been using ice to help with the swelling. Today I need some pain relief, I brought out the heavy duty stuff. The Gorilla Glue is helping.
For a water tool I prefer a bubbler. I use my J hook a lot. I encourage folks to buy one. They aren't that expensive. You can use it with other vaporizers as well.
My Nano is a flavor maker, my go to vaporizer that I use the most.