Performed cooling maintenance on a Carrier AC system Noticed furnace blower motor humming more than it should during operation Blower motor capacitor rated 10mfd, actual measurement was 7.5 Replaced capacitor with a 'turbo 200 Mini', setup for 10mfd, actual measurement on new one is 10.5 Filter is new Blower is clean Drain is clear Connected air diagnostic probes to the return and supply ductwork Connected refrigeration diagnostic probes to the outdoor unit Air and refrigerant readings are good Capacitor tested 51mfd while the Compressor was running Pulled the top off the unit and washed the condenser coil from the inside-out. Reassembled, restored power to the unit. System is operating within manufacturer's specifications at this time