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If indoor unit is running but outdoor is not,we either do not have power to outdoor unit,we are not getting signal to outdoor unit from thermostat or we have a relay not closing in unit.
Do you have a meter for troubleshooting?
Lets start by making sure the drain does not have a float switch that is breaking the circuit to outdoor unit.If you have a switch in the pvc drain lift it up and see if outdoor comes on.WE will go from here.