Occasionally (~1x a week), I'll get a bug on my X100V where the exposure compensation always increases regardless of the direction I turn the command dial. This requires the Exposure Compensation dial to be in 'C' mode. To fix it, I have to restart the camera, sometimes a couple times. I've attached a video of an instance of this bug, where you'll see the exposure is already past +5 EV, and rotation the dial left/down, does NOT decrease the exposure compensation.
IMG_2141.MOV