Determined that the filter being plugged solid was causing the condenser units low pressure switch to trip every time there was a call for cooling. Cleaned filters, then checked refrigerant levels. Discharge pressure is slightly high recommend cleaning it to improve the efficiency and save electricity. Cleaned condensing unit, installed new humidifier pad. Refrigerant levels went back to normal operating range once system was cleaned. No other issues at this time. Recommended comfort select plan for future inspections, declined at this time.