euodias wrote:That's a little much. You'll want to get it dialed in a little more, but don't be in panic mode. How full is it? are you using beads to maintain humidity? A relatively full humidor with plenty of beads should stay stable pretty easily unless you are opening it constantly.
It's pretty full, using 70% beads, and not opening the door.
My guess it's the cooling fan trying to keep 65 deg. because the room is in can get quite hot a few hours in the day.