I just had a tech out to my house and he found a leak in the unit outside. The leak is on the aluminum line after the coils right before it connects to the copper . The leak is not at the joint but is the aluminum pipe an inch before it. (Sorry I don't have a picture)
The tech said thats its not repairable and we would have to replace the coils. I'd like to know if he is right before I go spending the money to replace it if it can be fixed.