Bora AC problem I need help over here
 

i have a vw bora 1.6 sr :( but i have a problem with the ac
when I turn on the fan at number 1 it will not came air from the fan, but when I started ac so you can hear the start, but it will not came air but when I put the fan on number two it will really came cold air, but AC shutdown automatic, ac shuts down automatically when I put the fan on the numbers 2,3,4, it automatically shuts down the AC, but when I start the fan at number one and then turn on the AC you can hear that it works, but when I put the fan on 2,3,4 it shutdown the ac automatically , did anyone know what is the problem :( million thanks if you can help me and sorry for my english,