As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE TAKEOFF ROLL, THE CREW RECEIVED AN AMBER CAS MESSAGE FOR LEFT PROP HEAT FAIL AND A CHIME. FLIGHT 4001 ABORTED TAKE OFF. MAINTENANCE INSPECTED AND CLEANED THE BRUSH BLOCK AND SLIP RING IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 30-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.