hi, i need help to find out what it is happening with my AC, i took it to an electric shop last week because the compressor is not working and they say that the compressor is leaking and also the condenser and that the system is empty, also the fan wasn't working because didn't have any Freon so i put some in it and the fan star working, so i decide today to add the leaking seal with the die so i can see with My on eyes where is coming from since they one $1300 ti fix it, when i hook the hose to refill one more can before i add the leak seal the gauge is reading 90psi and the can doesn't see to be get it empty, also is not cold, so why all this is happen, anybody has an idea, please let me know