If you dream of broken air conditioner it is a sign of tiredness and inability to take a rest. This dream symbolizes anxiety you are suffering from. What you should do is to take a deep breath and relax, this will make things much easier. If you sense the air conditioner while dreaming it signifies the relief you are going to have, it is a good sign, which means things will be sorted out to your satisfaction.
Read more about dreaming of Air Conditioner in other dream meanings interpretations.