i have a smoke hollow 34168g smoker and this is my first time useing it and it runs about 300 when it is as low as i get the burner to go ......i got all the vents wide open and have moved it around so the wind hits it differey and am forest to put cardbord in the door to prop it open ......and i know the heat indicator is working pretty close to right a little bit i need some help on this one