Yep ECAM caution under 80kts, >300 deg.
Would be fairly unusual, as a dragging brake would be noticed taxiing out (asymmetry on taxi, and the brake temp page is automatically displayed). Possible though if the aircraft had the park brake set prior to take off, and the brake failed to release properly or something similar. A fully-locked brake would be immediately obvious, but one partially engaged would be less obvious.
There isn't a specific indication that a brake has failed to release, just an indication of the brake temp. No tea and biscuits.