Homeowners complaints of rhythmic vibration/harmonic noise coming from the outdoor unit and audible inside the house was heard upon arrival. During basement inspection the thermostat temperature was set lower and second stage engaged. Replaced air filter installed in April provided by homeowner Rent test cooling mode at 52° supply temperature Confirm humidifier damper closed Confirm multi-stage cooling operation Outdoor equipment was slightly low on refrigerant charge measuring 3.5 subcooling specked at 8.0. Turbo 200 capacitor is within specs Amp and vote readings within specs at 14.1\238 Balanced refrigerant charge with 7 oz R410A to increase sub cooling to 7.9 All equipment is running in very good condition considering 7 years old. Homeowner is interested in compressor warranty to resolve the issues Seth will consult with Justin and Trane and follow up with homeowners ASAP Homeowner will finalize the invoic thing via online payment link