Performed a 1 system spring maintenance ( gas). Tasks performed. 1. Visually inspected condenser coil for debris/ dirty. 2. Inspected condenser fan motor. 3. Inspected condenser fan blades. 4. Inspected/ cleaned wiring connections. 5. Tested compressor/ condenser fan motor capacitor….upstairs unit is about to go out, recommended to replace it as soon as possible. 6. Checked refrigerant pressures. 7. Checked compressor amp draw. 8. Checked condenser fan motor amp draw. 9. Inspected / replaced return filter. 10. Inspected return plenum for debris/ dirty. 11. Inspected evaporator coil. 12. Inspected blower motor/ blower wheel,,, upstairs is dusty recommended a blower cleaning . 13. Checked blower amp draw. 14. Measured temperature differential . 15. Inspected drain lines. 1. Washed condenser unit. Units are working properly at this time, found no more issues at this time,, will replace the capacitor today.