how to fix audi a6 2000, 2.8 quarto, air condition blow warm air. on 2000 Audi A6 Quattro

compressor does not start. fuses are ok. pls help.

Asked by for the 2000 Audi A6 Quattro
If compressor is not engaging, it is possible the system needs to be recharged with refrigerant or the clutch for the compressor is not engaging. Need inspect. to determine which.