The past couple days my Vigas has not been burning as well as in the past. The flue temps for the most part are hovering below 300 degrees. After going through the settings I noticed the sevo starts at 100% bit then quickly drops to 45% where it stays. I thought in the past it would stay closer to 100% until I reached my set max flue temp. Could this have something to do with my poor burns? Or subpar wood. I'm burning a mix of kd lumber scraps and 2 year oak. I know I know. I'm going to have to find my moister meter. I have been burning from the same wood all season and have not run into this. Thanks for any insight