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If outdoor fan is working but not the compressor we have either a bad capacitor , a burned compressor wire or a bad compressor.Do you have any meters for testing voltage and capacitance?
There are a couple of things we can check visually if you want to. One is to see if capacitor is bulging and swollen and the other is to check for burned wires to compressor. Beyond that we will need a meter.
This shows difference in good vs swollen capacitor
This shows compressor wires
OK we either have a weak capacitor or a problem with the compressor .If it is hot, it has shut down on an internal overload protection built in.You can take the capacitor off and take it to a supply house and they will check it if you cannot obtain a tester.WE can go from there.
There is no manual rest.It will reset when it cools down.You can run a water hose and water trickle on compressor to speed up the cool down