Arrived to preformed system maintenance. Unit in good condition a running as it should. Replaced 20 x 25 x 4” air filter checked amp draw at fan motor. All safety switches working properly checked outdoor condensing unit noticed a little excessive amount of dirt and debris built up on coils went ahead and rinsed coil off for better airflow condenser coil recommending treatment as there is a little bit of calcium buildup in rust and emergency drain pan. Unit is up and running as it should at this time