I first noticed it during a print. I was printing with PLA and had it set to 50. It was jumping all around a 30ish degree range. It wen from 45 to 67, and back down to 40 in a matter of seconds. I know the actual temp isn't fluctuating that much.

Quote Originally Posted by Talon 3D View Post
Weird, I wonder if it is fans powering up and down and such.
Have you actually printed anything?