[VHDL] Help with "stuck at VCC"

ARCHITECTURE behavioral OF check_minutes IS 
SIGNAL aux: STD_LOGIC := '0';
BEGIN 
accept_minutes: PROCESS(enable,data) --processo de aceitar ou não a temperatura inserida. 
BEGIN 
IF(data>="000001" AND data<="111011" AND enable='1') THEN 
   aux <= '1';
else aux <= '0'; 
 END IF; 
END PROCESS accept_minutes; minled <= aux;
END ARCHITECTURE behavioral;