As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON DEPARTURE THROUGH 800-900 FT, ACFT HAD AN AVIONICS SMOKE MESSAGE ECAM ALERT. THERE WERE NO INDICATIONS OF VISIBLE SMOKE. FLIGHT RETURNED, DECLARE AN EMERGENCY AND LANDED. NO PHYSICAL EVIDENCE OF SMOKE AEVC RESETED. FAULT CLEARED. AEVC SYSTEM TEST OK. NO FAULTS FOUND. SYSTEM SERVICEABLE. IAW AMM 26-15-00.