2003 renault laguna 1.9 dci heater blower not working?

The fan does not blow any cold air or hot air on any setting.it worked dismornan,its not the battery coz i have a new one.i dont no if its a fuse or not.i dont no where to find it on the fuse box.if sombody has a diagram of it??? Or any idea what may cause this please help im about to go for a week down south and im useing my car!!!!!!