Repair your Carrier Central Air Conditioner which has the following dilemmas: Not cooling properly.Repair your trusty Central Air Conditioner with these following dilemmas: Not cooling. Recharge r-22 refrigerant. Condenser fan motor. condenser. compressor,. contactor . run capacitor.suction line. discharge line.In line fuse. Time delay relay. Potential relay. Solid state circuit board. 24 volt contactor. Fan run capacitor.