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Hello, first check the air filter, make sure it is clean or recently replaced.
Next go to the unit that sits outside, there are two copper tubes attached to it, the larger one is insulated in black foam rubber. Peel that back slightly and feel the copper tube when the system is running. It should be cool or sweating.
Let me know how those tests turn out, and tell me if your system is cooling or heating as it always has or if it is failing in some aspect.
We can go from there
Hello again, you executed what we call a 'soft reset'.. good work, however you missed the opportunity to locate the cause of the problem, which will likely repeat.
If you want not to be charged for professional service, contact ***@******.*** and let them know,