I have the CC Woodwind, and having the same problems. I thought faulty temp probe, cccs sent me a new one. That with changing out the pellets, cleaning the grill, it worked. 1 month later, it’s doing the same thing. Set it to high to grill, and it got to 345 after 30+ minutes. I plan on calling tomorrow about this. The auger is working, the fan is blowing, I’m thinking control panel next.
I agree with the temp swing, mine would be set to HS225 and it would go as low as 180 and high as 245. If I’m not sitting there and watching for 6 hours, 245 vs 225 can lead to dry over cooked meat. This thing was bad ass out of the box for about 6 months, now it is not reliable for long slow cooks or grilling.