I've noticed that the wood I use seems to be reduced to ash in just a couple of hours. I read about wrapping the wood on all 3 sides with tin foil. I used hickory from SmokinLicious and wrapped it up. Set the temp at 220 and going for an internal temp of 170. After almost 2 hours holding steady...
I followed these directions (this might be my fifth time trying):
ress SET
Use the + button to select 250 in the right window.
Press SET
Use the + or - to select "t" in the right window
Press SET again
Use + to set 4.0 in the right window
Keep hitting SET to cycle through steps 2-6. ...