No, it sounds like the compressor is failing.
I only have 4, skimming/vacuuming, burning, bioremediation and dispersal agents.
Several thing scan cause a burning smell from a car A/C. One cause can be that the compressor is burning up. Another possibility is a wiring shortage.
Sounds like the a/c compressor is locking up and burning both the a/c clutch and the belt..........
Mabe your compressor clutch is no good. A good way to check it is to disconnect the wires that go to compressor then turn your ac on. If it does not burn the fuse it means your compressor clutch is bad.
If it is too low on coolant the ac compressor will not engage. It is a safety feature to keep from burning it up. Try to add freon and as the pressure builds the compressor should kick on. If you are sure you have adequate coolant; it could be anything from electrical to a frozen compressor.
Possible that the ac compressor is locking up.
sounds like your A.C. compressor clutch is locking up
What most likely is happening is the A/C compressor has gone bad and its not able to turn when it is switched on. The burning rubber smell is probably the belt sliding across the compressor pulley that's not turning.
it is probably the ac compressor locked up
Call an HVAC repairman. You're probably low on freon and a protection system is keeping the compressor from burning up. Sounds like to me it is a protection device. Probably an internal overload on the compressor. Have you checked the outside coils they may be blocked with dirt? This would cause the compressor to go out on overload.
Some possibilities: (1) The internal cabin temperature sensor may be bad. (2) The relay that controls the A/C compressor is bad. (3) The A/C refrigerant needs re-charging (if there is not enough in the system the compressor will not turn on, in order to prevent itself from burning out).
If its from the engine bay, check the serpantine belts, and the timing belt. My old Toyota paseo had a bad serpantine belt and it did squeak alot. Also check all the pulleys make sure theyre not wobbly.