In Tempe, AZ: DIAGNOSTIC- On arrival, found system running, but not cooling properly. Found system low on charge: 2 pounds of R22 Freon. Also, compressor is high amping, rated at 25.0/actual is 24.02. Capacitor is in specification. Customer refused leak check because he has home warranty. If the problem happens again, he will call them to do the leak search. Service complete.