I have the model 3 I am having issues with the smokers heating element not coming on I was smoking two pork roast Saturday I have a diy pid my smoker was taking a long time to heat up the element was powered on but box Temp was not rising kept catching the wood on fire it got to 204 box Temp and the the pid was trying to keep the element on but the element was not on yes I plugged the smoker into the ac outlet directly with same results I have replaced the box temperature sensor and the temperature control I had about 20 lbs of pork roast in the smoker I'm not sure what is wrong after about ten minutes element starts to work but not for long any help would be appreciated thank you I also ramped up the temp to 140 for ten minutes before going to 235 it has done this before that is why I replaced the control knob and box temperature sensor