As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED DISPLAY COOL AMBER MESSAGE AFTER TAKEOFF. MESSAGE PERSISTED AFTER FLT ALT AND STBY POSITIONS SELECTED. CREW FOLLOWED QRH, RETURNED TO FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT, R & R DISPLAY COOLING LOW FLOW DETECTOR AND PERFORMED CHECKS IAW AMM. ACFT RELEASED FOR SERVICE.