In Anthem, AZ: UPON ARRIVAL CYCLED UNIT INTO COOLING MODE. TOOK TEMPERATURE READINGS FROM SUPPLY AND RETURN . AT UNIT CLEANED AND TIGHTENED ELECTRICAL CONNECTIONS. TOOK VOLTS AND AMP DRAWS FROM COMPONENTS. CHECKED FREON LEVELS WITH SUPER HEAT AND SUBCOOL. CHECKED START AND RUN CAPACITORS . UPON DEPARTURE UNIT WORKING PROPERLY AND WITHIN SPEC.