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 for gas leaks 6. Tested functionality and cleaned flame sensor 7. Tested functionality and cleaned pressure switches and ports 8. Inspected / replaced return filter. 9. Inspected return plenum for debris/ dirty. 10. Inspected evaporator coil. 11. Tested functionality and visually inspected surface igniter 12. Checked blower amp draw. 13. Measured temperature differential from supply to return. 20 degrees measured. 14. Drain line tested with gallon of water for clogs and to push anything trying to solidify out Found failed capacitor on upstairs unit condenser. Capacitor is required to make the compressor run properly. Also noticed a decent amount of dust and debris in the upstairs condenser coil. This will cause additional stress on the unit and reduce efficiency of the unit. Last visit Matt had diagnosed high