A/C Unit not cooling properly.? It has a alien capicator, changed filter and added freon. what...

It has a alien capicator, changed filter and added freon. what could it be? after each service, the element works excellent for 1 day, afterwards it ceases to cool properly.
Just curious, what is intended by a 2...
When not working properly look contained by the top of the unit and see if it is froze up, you can make clear to by the ice build up. If its iced over any to much freon or not enough.
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Sounds resembling you have have more than one service call on this.
Has it be the same personality?
They have not found the root of the problem.
Maybe the follower motor is overheating after a period of time.
Freon added in need finding the leak will result surrounded by a call wager on.
Have them come out again. They should not charge you for the call out individual the actual repairs.
Maybe they have found some minor problems but not the physical problem.
Waterheater not giving hot dampen?
Answers:    You enjoy a leak, and the soul that serviced it is responsible for taking care of this problem free of charge at this point, except the cost of supplies :) GL!