A trip to a service center is probably in order....
Do you hear the compressor running? Set it to fan only and see if it gets quieter. But either way, I suspect you are going to need service. If the compressor is running, you may have a refrigerant leak. If it is not, the leak may be old enough or bad enough that the low pressure switch is keeping the compressor off or the expansion valve is plugged and the high pressure switch is. Check your filters. It is amazing to me how quickly ours get stopped up. If you can see the evaporator fins when you pull the filters see if they are cold.
"You cannot reason someone out of a position they have not been reasoned into"
Al, K5TAN and Missy, N4RGO
2002 Classic 30 Slideout
2001 Safari 25 RB Twin (Gone, but not forgotten)
2013 Dodge 2500 Laramie 4x4 Megacab Cummins
WBCCI 1322, TAC FL-39, AIR 82265