air conditioning blowing hot air on 2005 Kia Sorento

My Kia sorento's A/C is blowing hot air, when checked with an recharge kit is says not to add fluid why is it blowing hot air if the fluid is full? Oh and I never had any kind of smell it just stopped working.

Asked by for the 2005 Kia Sorento
try undoing the neg. battery cable for like 15 minutes,,,my tauras has done that. its works for me,,worth a try
2 answers
It's possible that there is an electrical problem with the a/c compressor circuit. The compressor needs to get 12 volts to operate and if it's not then an electrical diagnose will need to be performed by a qualified technician.