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Hello, the compressor is not running, either because it has failed internally, or because the control module is bad, 95% chance it is one of those if there is no error code showing. Cost for diagnosis and repair at a local applicance shop will be in the $300 range or higher... that is at least half what a new unit would cost you.
If the unit is over 5 years old thank your lucky stars and go shopping for a new one.
We can go from there