Renew annual membership and replace bad capacitor for unit. 55/7.5uf Performed a.c maintenance as per platinum membership. Unit is not running properly and making loud buzzing sound. Checked capacitor and is swollen and not showing any readings. All electrical connections and wiring are okay and not damaged. Contactor is working properly. No codes are being shown on circuit board. Replaced capacitor with new one and tested unit for proper operations. Unit now running properly.